Alert archive / Alaska / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 4, NWS Fairbanks, AK
NWS Fairbanks, AK issued this severe thunderstorm warning at Jun 22, 2008, 4:33 PM AKDT. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 22, 2008, 4:33 PM AKDT (00:33 UTC)
- Expired
- Jun 22, 2008, 5:00 PM AKDT
- In force
- 27 min
- Issued by
- NWS Fairbanks, AK
- Area
- Storm-based polygon
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Fairbanks, (PFAI), launched 00:00Z, 0.6 hours before the alert went out and 100 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 2091 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUAK59 PAFG 230034 SVRAFG AKZ221-230100- /O.NEW.PAFG.SV.W.0004.080623T0033Z-080623T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FAIRBANKS AK 433 PM AKDT SUN JUN 22 2008 THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL INTERIOR AREA OF ALASKA... * UNTIL 500 PM AKDT * AT 430 PM AKDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER CENTRAL INTERIOR...OR 42 MILES NORTHWEST OF NENANA...AND MOVING WEST AT 11 MPH. * THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS. LAT...LON 6516 15000 6515 14963 6506 14954 6501 14989 TIME...MOT...LOC 0033Z 079DEG 10KT 6510 14969 $$ ES
2 follow-up statements
000 WWAK59 PAFG 230045 SVSAFG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE FAIRBANKS AK 444 PM AKDT SUN JUN 22 2008 AKZ221-230100- /O.CON.PAFG.SV.W.0004.000000T0000Z-080623T0100Z/ CENTRAL INTERIOR AK- 444 PM AKDT SUN JUN 22 2008 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM AKDT FOR CENTRAL INTERIOR... AT 439 PM AKDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED SOUTH OF THE ELLIOTT HIGHWAY NEAR HUTLINANA CREEK...OR 43 MILES NORTHWEST OF NENANA...MOVING WEST AT 11 MPH. LAT...LON 6516 15000 6515 14963 6506 14954 6501 14989 TIME...MOT...LOC 0044Z 079DEG 10KT 6509 14976 $$ ES/JB
000 WWAK59 PAFG 230100 SVSAFG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE FAIRBANKS AK 500 PM AKDT SUN JUN 22 2008 AKZ221-230110- /O.EXP.PAFG.SV.W.0004.000000T0000Z-080623T0100Z/ CENTRAL INTERIOR AK- 500 PM AKDT SUN JUN 22 2008 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL INTERIOR HAS EXPIRED... THE THUNDERSTORM SOUTH OF THE ELLIOTT HIGHWAY OVER HUTLINANA CREEK HAS WEAKENED AND IS NO LONGER PRODUCING LARGE HAIL. THE STORM CAN STILL PRODUCE SMALL HAIL AND WIND GUSTS TO 30 MPH. LAT...LON 6516 15000 6515 14963 6506 14954 6501 14989 TIME...MOT...LOC 0100Z 079DEG 10KT 6508 14986 $$ ES
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Fairbanks, AK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 22, 12:58 PM AKDT, 3 hours 35 minutes earlier.
Area forecast discussion, Jun 22, 12:58 PM AKDT, 3 hours 35 minutes before
NORTHERN ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FAIRBANKS AK 1258 PM AKDT SUN JUN 22 2008 .DISCUSSION... ALOFT... A HIGH PRESSURE RIDGE ALOFT CURRENTLY EXTENDS FROM THE CENTRAL BROOKS RANGE EASTWARD TO GREAT BEAR LAKE THEN SOUTHEAST TO GREAT SLAVE LAKE...WITH LIGHT EASTERLY FLOW OVER THE SOUTHERN INTERIOR AND THE ALASKA RANGE. A WEAK SHORT WAVE TROUGH ALOFT NOW OVER THE SOUTHERN YUKON TERRITORY WILL MOVE WESTWARD ALONG THE BOTTOM SIDE OF THE RIDGE...EXTENDING FROM CENTRAL SOUTHWARD BY 00Z MON AND MOVING TO THE SOUTHWEST INTERIOR BY 12Z MON. FORECASTS FOR LATER IN THE WEEK BECOME MORE UNCERTAIN AS THE UPPER AIR SOLUTIONS DIVERGE...GFS PICKING UP TWO MORE WEAK SHORT WAVES MOVING AROUND THE BOTTOM OF THE RIDGE WHILE THE NAM AND ECMWF SHARPEN A RIDGE LINE OVER ALASKA...BUT WITH RIDGE LINE POSITIONS OVER ALASKA DIFFERING CONSIDERABLY BY 00Z THU. SURFACE... UNSTABLE AIR COVERS MOST OF THE INTERIOR AND BROOKS RANGE TODAY... WITH THE AXIS OF A BROAD THERMAL TROUGH EXTENDING EAST-WEST ACROSS THE CENTRAL INTERIOR. THE THERMAL TROUGH SHOULD PROVIDE SOME LARGE-SCALE LOW LEVEL CONVERGENCE...WITH AN ASSIST FROM UPPER DYNAMICS ASSOCIATED WITH THE WESTWARD MOVING SHORT WAVE. THE MOST ACTIVE AREA FOR CONVECTION THIS AFTERNOON AND EVENING IS EXPECTED TO BE IN ZONES 216-221-222-223-224...WHERE GFS MODEL FORECAST LIFTED INDEXES ARE TYPICALLY 0 T0 -2 WITH A FEW SPOTS OF -3...AND CAPES TO 400-800 J/KG. BY LATER THIS EVENING...THE AREA OF CONVECTION WILL SHIFT A LITTLE FARTHER TO THE NORTH AND WEST...WITH THE AIRMASS BEGINNING TO STABILIZE OVER THE ALASKA RANGE AND NEARBY AREAS IN THE SOUTHERN INTERIOR. WITH THE SHORT WAVE MOVING EASTWARD THIS AFTERNOON AND TONIGHT...CONVECTION MAY LAST WELL INTO THE NIGHT. SEVERAL THUNDERSTORMS HAVE ALREADY MET SEVERE THUNDERSTORM WARNING CRITERIA BASED ON DOPPLER RADAR DATA. SOUTHERLY GAP WINDS ARE EXPECTED TO DEVELOP IN THE ALASKA RANGE LATER TODAY...CONTINUING OVERNIGHT AS THE THERMAL LOW CENTER GRADUALLY MIGRATES WESTWARD AND RIDGING BUILDS OVER THE EASTERN NORTH GULF COAST. SUPPORT ALOFT IS NONEXISTENT...SO WINDS WILL BE LIMITED TO LOW LEVELS... MAX GUSTS PROBABLY AROUND 25 KT. FOR MONDAY...THE MOST UNSTABLE AIRMASS IS EXPECTED TO BE OVER ZONES 205-206-216-217-218-220-224. THE AXIS OF THE BROAD SURFACE TROUGH WILL EXTEND FROM EAGLE TO CHANDALAR LAKE AND WESTWARD. EXCEPT FOR AREAS OF MINIMUM BRISK WINDS EXPECTED IN PKZ245...MARINE AREA WINDS WILL REMAIN BELOW ADVISORY LEVELS THROUGH 12Z TUE. DRY CONDITIONS WILL CONTINUE OVER THE WEST AND NORTHWEST COASTS...AND MAINLY EAST TO NORTHEAST WINDS WILL CONTINUE ALONG THE ARCTIC COAST. WITH RIDGING ALOFT AND LOW RH PROGGED AT LOW LEVELS ALONG THE ARCTIC COAST...LATE NIGHT AND EARLY MORNING FOG COVERAGE IS EXPECTED TO BE MINIMAL. THE MOST LIKELY AREA FOR ANY FOG DEVELOPMENT WOULD BE ALONG THE ARCTIC COAST...GOES VIS LOOP SHOWING AREAS OF OPEN WATER IN EASTERN PKZ245...AND MUCH MORE EXTENSIVE FARTHER TO THE EAST IN CANADIAN WATERS. BARTER ISLAND REPORTED A FEW INTERVALS OF FOG OVERNIGHT...BARROW AND DEADHORSE WERE FOG-FREE. COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE && .FIRE WEATHER... NO PROBLEM AREAS. && .HYDROLOGY... LOCALLY HEAVY RAINFALL AMOUNTS LIKELY IN HEAVIER THUNDERSTORMS THIS AFTERNOON AND EVENING MAY BRING SMALL STREAMS UP TO BANK FULL OR OVER BANK FULL STAGES. && .AFG WATCHES/WARNINGS/ADVISORIES... BRISK WIND ADVISORY FOR PKZ245. SMALL STREAM FLOOD ADVISORY FOR AKZ220-AKZ224 && RF JUN 08
In the hours before
Local storm report, Jun 22, 4:07 PM AKDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FAIRBANKS AK
407 PM AKDT SUN JUN 22 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0406 PM HAIL EIELSON AFB 64.68N 147.09W
06/22/2008 E0.25 INCH AK NWS EMPLOYEE
&&
PWEIMERLocal storm report, Jun 22, 4:13 PM AKDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FAIRBANKS AK
413 PM AKDT SUN JUN 22 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0406 PM HAIL EIELSON AFB 64.68N 147.09W
06/22/2008 E0.50 INCH AK NWS EMPLOYEE
&&
PWEIMERThe office that day
Everything else NWS Fairbanks, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 2:38 PM AKDT | Small Craft Advisory | AFG | 24 hr | |
| Jun 23, 2:39 PM AKDT | Small Craft Advisory | AFG | 24 hr |
Nearby
Severe Thunderstorm Warnings in Alaska, 2008Every severe thunderstorm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.