[tab: Storms]
- Mon, 02 Sep 2024 19:54:25 +0000: SPC Sep 2, 2024 2000 UTC Day 1 Convective Outlook - SPC Forecast Products
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0250 PM CDT Mon Sep 02 2024 Valid 022000Z - 031200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF THE NORTHERN GREAT BASIN AND THE NORTHWEST... ...SUMMARY... Isolated to scattered thunderstorms across the northern Great Basin and parts of the interior Pacific Northwest may be capable of occasional strong to severe wind gusts this afternoon and evening. ...20Z Update... Minor adjustments were made to the general thunderstorm area to account for current observed trends. The remainder of the forecast is unchanged. See the previous discussion for additional details. ..Wendt.. 09/02/2024 .PREV DISCUSSION... /ISSUED 1118 AM CDT Mon Sep 02 2024/ ...Interior Pacific Northwest into the Northern Great Basin/Rockies... Water-vapor imagery this morning shows a closed low near the northern CA/southern OR coast. This upper feature will move east through OR and be situated along the OR/ID border by daybreak Tuesday. A belt of stronger flow (30-50 kt 500-mb winds) will move through the base of the larger-scale mid-level trough and overspread northern NV into southwestern ID and eastern OR this afternoon into the early evening. Large-scale ascent associated with the upper disturbance and the development of weak buoyancy (mainly via heating), will facilitate the development of isolated to scattered high-based thunderstorms beginning later this afternoon and persisting into the evening. Forecast soundings show large surface temperature-dewpoint spreads (50 degrees F) with 9+ degrees C lapse rates into the mid levels and a dry sub-cloud layer. Evaporative cooling of the more intense downdrafts will probably yield a risk for isolated 60-70 mph gusts before weakening later this evening.
Read more - Mon, 02 Sep 2024 19:54:06 +0000: SPC - No MDs are in effect as of Mon Sep 2 19:55:02 UTC 2024 - SPC Forecast Products
No Mesoscale Discussions are in effect as of Mon Sep 2 19:55:02 UTC 2024. - Mon, 02 Sep 2024 19:54:06 +0000: SPC - No watches are valid as of Mon Sep 2 19:55:02 UTC 2024 - SPC Forecast Products
No watches are valid as of Mon Sep 2 19:55:02 UTC 2024. - Mon, 02 Sep 2024 19:45:28 +0000: SPC Day 2 Fire Weather Outlook - SPC Forecast Products
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0243 PM CDT Mon Sep 02 2024 Valid 031200Z - 041200Z No changes are needed to the D2 Fire Weather Outlook. See previous discussion below for more information. ..Thornton.. 09/02/2024 .PREV DISCUSSION... /ISSUED 0218 AM CDT Mon Sep 02 2024/ ...Synopsis... Fire weather concerns will continue into Tuesday as an upper wave (currently moving onshore along the northern CA coast) translates east across the northern Rockies. However, fire weather conditions are not expected to be as intense or widespread as compared to Monday across on either side of the continental divide. ...Nevada into Idaho... Portions of northeast NV and central ID are forecast to remain within the dry slot of the maturing upper-level low. This will maintain clear skies/warm conditions across the region, but will also support broad scale subsidence/drying and windy conditions across the region. Regional orographic influences - namely the Snake River Plain in eastern ID as well as the Independence and Ruby mountains of northeast NV, will augment the dry/windy conditions and should support several hours of elevated fire weather conditions. Isolated to scattered thunderstorms are also anticipated across northern ID, MT, and WY by late afternoon as the low shifts east. While a few dry thunderstorms are possible based on forecast thermal profiles, recent ensemble guidance shows a stronger signal for wetting rainfall compared to Monday, limiting confidence in the dry-lightning threat. ...Central/Northern Plains... A lee trough is expected to become established over the next 24 hours, but will see more substantial deepening through Tuesday afternoon amid increasing synoptic-scale ascent ahead of the approaching upper wave. This will result in not only strengthening westerly downslope flow across eastern WY, but will also bolster pressure gradient winds across central NE into SD. Recent ensemble guidance shows reasonably high confidence in maintaining at least a few hours of elevated fire weather conditions for both regions with 15-20 mph winds and RH reductions into the teens and low 20s. Persistent southerly flow overnight Monday into Tuesday will support some degree of moisture return into the Plains, which is expected to limit the spatial coverage of elevated fire weather conditions. That said, guidance typically struggles to accurately capture boundary-layer mixing/RH reductions in such return flow regimes, and fire weather conditions may be more widespread across NE/SD than currently depicted. ...Please see www.spc.noaa.gov/fire for graphic product...
Read more - Mon, 02 Sep 2024 19:22:25 +0000: SPC Sep 2, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook - SPC Forecast Products
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0220 PM CDT Mon Sep 02 2024 Valid 041200Z - 051200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER MUCH OF THE CENTRAL TO NORTHERN ROCKIES... ...SUMMARY... A risk of isolated strong to severe storms capable of producing gusty/locally damaging winds will exist from parts of Montana/Wyoming/Colorado into the northern Plains Wednesday/Wednesday night. Marginal hail with stronger storms may also occur across the northern Plains region. ...Synopsis and Discussion... A weak upper trough providing cooling aloft and modest flow will move across the northern Plains on Wednesday, while a cold front moves across the Dakotas, trailing southwestward into the central High Plains by 00Z. High pressure will remain over much of the East, providing stable conditions there, and enhancing southerly winds over the Plains ahead of the front. In general, a plume of 50s to lower 60s F dewpoints will spread north toward the front late in the day. Scattered storms will first form over the higher terrain across eastern MT, WY, and into central CO, with steep lapse rates and modest deep-layer shear favoring marginal hail. Storms will also form along the cold front, from eastern CO into the Dakotas. Backed low-level winds and veering winds with height may support a few supercells, though multicellular clusters will also be likely as winds aloft are on the marginal side for better organized storm structures. Still, favorable time of day and steep low-level lapse rates will likely favor gusty to locally severe gusts as activity spreads across the northern and central Plains through the evening. ..Jewell.. 09/02/2024
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[tab:Hurricanes]
- Mon, 02 Sep 2024 17:29:58 +0000: CPHC Central North Pacific Outlook - National Hurricane Center Graphical Tropical Weather Outlooks
ZCZC HFOTWOCP ALL
TTAA00 PHFO DDHHMM
Tropical Weather Outlook
NWS Central Pacific Hurricane Center Honolulu HI
800 AM HST Mon Sep 2 2024
For the central North Pacific...between 140W and 180W:
No tropical cyclones are expected through the next 7 days.
$$
Forecaster TS
NNNN - Mon, 02 Sep 2024 17:27:29 +0000: NHC Eastern North Pacific Outlook - National Hurricane Center Graphical Tropical Weather Outlooks
ZCZC MIATWOEP ALL
TTAA00 KNHC DDHHMM
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 AM PDT Mon Sep 2 2024
For the eastern North Pacific...east of 140 degrees west longitude:
Tropical cyclone formation is not expected during the next 7 days.
$$
Forecaster D. Zelinsky
NNNN - Mon, 02 Sep 2024 17:20:52 +0000: NHC Atlantic Outlook - National Hurricane Center Graphical Tropical Weather Outlooks
ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Mon Sep 2 2024
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
1. Northwestern Gulf of Mexico:
A broad and weak area of low pressure just offshore of the middle
Texas coast continues to produce some disorganized shower activity
along portions of the coast of Texas and over the adjacent waters of
the northwestern Gulf of Mexico. This system is expected to move
inland early Tuesday, and development is not expected. Regardless,
heavy rains could cause some flash flooding across portions of the
Texas coast during the next day or two.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...near 0 percent.
2. Near the Lesser Antilles and Caribbean Sea:
A tropical wave is producing disorganized thunderstorms and gusty
winds across portions of the Lesser Antilles, Puerto Rico,
Hispaniola and over the adjacent waters. Environmental conditions
are forecast to become more conducive for development when the
system reaches the western Caribbean Sea and southwestern Gulf of
Mexico late this week and over the weekend, and a tropical
depression could form during that time.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...medium...40 percent.
3. Eastern Tropical Atlantic Ocean:
A tropical wave over the far eastern Atlantic is producing
disorganized showers and thunderstorms. Environmental conditions
are forecast to become a little more conducive for development, and
a tropical depression could form in a few days while the disturbance
moves slowly west-northwestward or northwestward over the eastern
tropical Atlantic Ocean. This system could produce areas of heavy
rain and gusty winds across portions of the Cabo Verde Islands in a
day or two.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...medium...40 percent.
Forecaster Cangialosi
[tab:Tsunamis]
- Sun, 01 Sep 2024 20:24:13 +0000: near the Solomon Islands - Tsunami Information Statement Number 1
Category: Information
Bulletin Issue Time: 2024.09.01 20:24:13 UTC
Preliminary Magnitude: 6.6(Mwp)
Lat/Lon: -6.700 / 155.500
Affected Region: near the Solomon Islands
Note: * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami.
Definition: An information statement indicates that an earthquake has occurred, but does not pose a tsunami threat, or that a tsunami warning, advisory, or watch has been issued for another section of the ocean. View bulletin
[tab:Earthquakes]
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[tab:NASA]
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NASA will provide live coverage of the upcoming activities for Boeing’s Starliner spacecraft departure from the International Space Station and return to Earth. The uncrewed spacecraft will depart from the orbiting laboratory for a landing at White Sands Space Harbor in New Mexico. Starliner is scheduled to autonomously undock from the space station at approximately […] - Fri, 30 Aug 2024 17:26:44 +0000: Co-creating authentic STEM learning experiences with Latino communities - NASA
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Since the 1960s, astronomers have wondered how the Sun’s supersonic “solar wind,” a stream of energetic particles that flows out into the solar system, continues to receive energy once it leaves the Sun. Now, thanks to a lucky lineup of a NASA and an ESA (European Space Agency)/NASA spacecraft both currently studying the Sun, they […]
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