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Convective Outlooks
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Today's Convective Outlook
Today's Convective Outlook
Tomorrow's Convective Outlook
Tomorrow's Convective Outlook
Day 3 Convective Outlook
Day 3 Convective Outlook
Day 4-8 Convective Outlook
Day 4-8 Convective Outlook
» From the Storm Prediction Center
SPC - No watches are valid as of Mon Sep 22 11:02:01 UTC 2014
No watches are valid as of Mon Sep 22 11:02:01 UTC 2014.

SPC - No MDs are in effect as of Mon Sep 22 11:02:01 UTC 2014
No Mesoscale Discussions are in effect as of Mon Sep 22 11:02:01 UTC 2014.

SPC Sep 22, 2014 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook
DAY 3 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0226 AM CDT MON SEP 22 2014 VALID 241200Z - 251200Z ...NO SVR TSTM AREAS FORECAST... ...SUMMARY... THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY ACROSS PORTIONS OF THE CENTRAL PLAINS AS WELL AS THE SOUTHERN ROCKIES AND SOUTHERN HIGH PLAINS. ...SYNOPSIS... AN AMPLIFIED SYNOPTIC-SCALE REGIME WILL EXIST OVER THE CONUS ON WEDNESDAY...WITH STRONGER WESTERLIES RELEGATED TO THE CONUS WEST COAST AND CANADA. MULTIPLE RELATIVELY WEAK...GENERALLY DECAYING...MID/UPPER-LEVEL LOWS WILL MOVE SLOWLY OVER AREAS SUCH AS THE UPPER MIDWEST...SOUTHERN HIGH PLAINS...AND SOUTHEAST STATES. MEANWHILE...A SUBSTANTIAL UPPER TROUGH/POLAR JET WILL BEGIN TO SPREAD INLAND OVER THE CONUS WEST COAST. ...SOUTH-CENTRAL HIGH PLAINS... DIURNALLY ENHANCED THUNDERSTORM DEVELOPMENT...MAINLY ON AN ISOLATED BASIS...MAY OCCUR WEDNESDAY AFTERNOON IN VICINITY OF A SEMI-PERSISTENT LEE TROUGH ACROSS THE REGION. ALTHOUGH OVERALL FORCING AND DEEP-LAYER SHEAR /25 KT OR LESS/ WILL BE WEAK...RELATIVELY STEEP LAPSE RATES AND MODERATE BUOYANCY MAY CONTRIBUTE TO SOME STRONGER UPDRAFTS. PULSE-TYPE HAIL CANNOT BE CONCLUSIVELY RULED OUT ACROSS PARTS OF THE REGION...BUT THE OVERALL SCENARIO CURRENTLY APPEARS TOO MARGINAL TO WARRANT SEVERE PROBABILITIES. ..GUYER.. 09/22/2014 Read more

SPC Sep 22, 2014 Day 4-8 Convective Outlook
Day 4-8 Outlook
DAY 4-8 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0350 AM CDT MON SEP 22 2014 VALID 251200Z - 301200Z ...DISCUSSION... AN AMPLIFIED UPPER-LEVEL PATTERN IS EXPECTED THROUGH MUCH OF THE WEEK...ALTHOUGH SOME GUIDANCE VARIABILITY EXISTS WITH LATE-WEEK DETAILS REGARDING THE EASTWARD PROGRESSION OF AN UPPER TROUGH OVER THE WESTERN STATES. SURFACE HIGH PRESSURE/DRY CONDITIONS WILL GENERALLY BE PREVALENT OVER THE EASTERN HALF OF THE CONUS MUCH OF THE WEEK...WITH MODEST MOISTURE AND A LACK OF STRONGER FORCING/VERTICAL SHEAR EXPECTED TO PRECLUDE MEANINGFUL SEVERE RISKS. THAT SAID...SOME STRONG STORMS MAY BE POSSIBLE AROUND DAYS 5-7 FRIDAY-SUNDAY ACROSS PARTS OF THE EASTERN GREAT BASIN/CENTRAL ROCKIES VICINITY AS THE WESTERN STATES UPPER TROUGH/COLD FRONT SHIFT EASTWARD...WITH SOME SEVERE POTENTIAL POSSIBLY REACHING THE HIGH PLAINS LATE THIS WEEKEND/EARLY NEXT WEEK. Read more

SPC Day 1 Fire Weather Outlook
SPC Day 1 Fire Weather Outlook
DAY 1 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0354 AM CDT MON SEP 22 2014 VALID 221200Z - 231200Z ...NO CRITICAL AREAS... ...SYNOPSIS... CLOSED MID-/UPPER-LEVEL LOW OVER THE GREAT BASIN WILL OPEN UP AND ACCELERATE EASTWARD INTO THE NORTHERN PLAINS. IN ITS WAKE...WARMING/DRYING WILL COMMENCE ACROSS THE SOUTHERN GREAT BASIN. HOWEVER...GIVEN RECENT RAINS...RELATIVE-HUMIDITY VALUES GREATER THAN 15 PERCENT...AND MODEST SURFACE WINDS...LARGE-SCALE FIRE-WEATHER CONCERNS ARE NOT EXPECTED. ELSEWHERE...LARGE-SCALE FIRE-WEATHER CONCERNS LOOK TO REMAIN LOW. ..MARSH.. 09/22/2014 ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT... Read more

SPC Day 2 Fire Weather Outlook
SPC Day 2 Fire Weather Outlook
DAY 2 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0430 AM CDT MON SEP 22 2014 VALID 231200Z - 241200Z ...SYNOPSIS... STRONGEST MID-/UPPER-LEVEL FLOW WILL RETREAT NORTHWARD INTO CANADA DURING THE FORECAST PERIOD...EXCEPT ACROSS THE PACIFIC NORTHWEST. HERE...A STRONG MID-/UPPER-LEVEL LOW WILL APPROACH THE COAST...ALLOWING DEEP WEST/SOUTHWEST FLOW TO OVERSPREAD INLAND AREAS. THE STRONGER FLOW ALOFT...COUPLED WITH WARM BOUNDARY-LAYER TEMPERATURES AND STEEP LOW-LEVEL LAPSE RATES...WILL PROMOTE WARM/BREEZY CONDITIONS ACROSS NORTHEAST CALIFORNIA...NORTHWEST NEVADA...AND SOUTHWEST OREGON. ACROSS THIS AREA...MINIMUM RELATIVE-HUMIDITY VALUES NEAR OR ABOVE 20 PERCENT AND AFTERNOON WIND SPEEDS GENERALLY IN THE 10-20 MPH RANGE WILL RESULT IN AN ELEVATED FIRE-WEATHER THREAT. ELSEWHERE...LARGE-SCALE FIRE-WEATHER CONCERNS ARE NOT ANTICIPATED. ..MARSH.. 09/22/2014 ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT... Read more

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