Alert archive / Alaska / Blizzard Warnings in 2006

Blizzard Warning 22, NWS Fairbanks, AK

April 7, 2006

NWS Fairbanks, AK issued this blizzard warning at Apr 7, 2006, 7:51 AM AKDT. It took effect at Apr 7, 2006, 12:51 PM AKDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 7, 2006, 7:51 AM AKDT (15:51 UTC)
In effect from
Apr 7, 2006, 12:51 PM AKDT
Expired
Apr 7, 2006, 9:20 PM AKDT
In force
8 hr
Issued by
NWS Fairbanks, AK

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWAK42 PAFG 072051
WSWWCZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
1251 PM ADT FRI APR 7 2006

AKZ214-080600-
/X.NEW.PAFG.BZ.W.0022.060407T2051Z-060408T0600Z/
/X.EXT.PAFG.WW.Y.0043.060408T0600Z-060408T1200Z/
YUKON DELTA-
INCLUDING...EMMONAK...MOUNTAIN VILLAGE...ALAKANUK...KOTLIK...
PILOT STATION...ST MARYS...SCAMMON BAY...NUNAM IQUA...
PITKAS POINT
1251 PM ADT FRI APR 7 2006

...BLIZZARD WARNING IN EFFECT UNTIL 10 PM ADT THIS EVENING...
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING
TO 4 AM ADT SATURDAY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 10 PM ADT THIS EVENING. THE
WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 10 PM THIS EVENING
TO 4 AM ADT SATURDAY. 

EXPECT GUSTS TO 50 MPH WITH VISIBILITIES REDUCED TO NEAR ZERO AT
TIMES IN BLOWING AND FALLING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND POOR
VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL
OR OUTDOOR ACTIVITY HAZARDOUS.

$$

AKZ211-080600-
/X.EXT.PAFG.WW.Y.0043.060407T2200Z-060408T1400Z/
SOUTHERN SEWARD PENINSULA COAST-
INCLUDING...NOME...WHITE MOUNTAIN...GOLOVIN
1251 PM ADT FRI APR 7 2006

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM ADT
SATURDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 AM ADT
SATURDAY. 

EXPECT LOCAL GUSTS TO 45 MPH WITH VISIBILITIES REDUCED TO NEAR
ZERO AT TIMES IN BLOWING AND FALLING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

$$

AKZ207-080600-
/X.CON.PAFG.WW.Y.0043.060408T0200Z-060408T1400Z/
CHUKCHI SEA COAST-
INCLUDING...POINT HOPE...SHISHMAREF...KIVALINA...ESPENBERG
1251 PM ADT FRI APR 7 2006

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM ADT SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM ADT SATURDAY. 

EXPECT GUSTS TO 45 MPH WITH VISIBILITIES REDUCED TO NEAR ZERO IN
BLOWING AND FALLING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

$$

AKZ213-080600-
/X.CON.PAFG.WW.Y.0043.000000T0000Z-060408T1800Z/
ST LAWRENCE ISLAND AND BERING STRAIT COAST-
INCLUDING...GAMBELL...SAVOONGA...BREVIG MISSION...TELLER...
WALES...DIOMEDE
1251 PM ADT FRI APR 7 2006

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM ADT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM ADT
SATURDAY. 

EXPECT GUSTS TO 55 MPH WITH VISIBILITIES REDUCED TO NEAR ZERO AT
TIMES IN BLOWING AND FALLING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

$$
2 follow-up statements
000 
WWAK42 PAFG 072119
WSWWCZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
119 PM ADT FRI APR 7 2006

AKZ213-080600-
/X.EXA.PAFG.BZ.W.0022.000000T0000Z-060408T0600Z/
/X.EXT.PAFG.WW.Y.0043.060408T0600Z-060408T1800Z/
ST LAWRENCE ISLAND AND BERING STRAIT COAST-
INCLUDING...GAMBELL...SAVOONGA...BREVIG MISSION...TELLER...
WALES...DIOMEDE
119 PM ADT FRI APR 7 2006

...BLIZZARD WARNING IN EFFECT UNTIL 10 PM ADT THIS EVENING 
FOR SAINT LAWRENCE ISLAND...
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING
TO 10 AM ADT SATURDAY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 10 PM ADT THIS EVENING. THE
WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 10 PM THIS EVENING
TO 10 AM ADT SATURDAY. 

FOR SAINT LAWRENCE ISLAND..EXPECT GUSTS TO 55 MPH WITH
VISIBILITIES REDUCED TO NEAR ZERO AT TIMES IN BLOWING AND FALLING
SNOW. BERING STRAIT..GUSTS TO 45 MPH WITH VISIBILITIES LESS THAN 1
MILE AT TIMES IN SNOW AND BLOWING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

$$

AKZ214-080600-
/X.CON.PAFG.BZ.W.0022.000000T0000Z-060408T0600Z/
/X.CON.PAFG.WW.Y.0043.060408T0600Z-060408T1200Z/
YUKON DELTA-
INCLUDING...EMMONAK...MOUNTAIN VILLAGE...ALAKANUK...KOTLIK...
PILOT STATION...ST MARYS...SCAMMON BAY...NUNAM IQUA...
PITKAS POINT
119 PM ADT FRI APR 7 2006

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM ADT THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 4 AM ADT SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM ADT THIS
EVENING. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM
THIS EVENING TO 4 AM ADT SATURDAY. 

EXPECT GUSTS TO 50 MPH WITH VISIBILITIES REDUCED TO NEAR ZERO AT
TIMES IN BLOWING AND FALLING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND POOR
VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL
OR OUTDOOR ACTIVITY HAZARDOUS.

$$

AKZ207-080600-
/X.CON.PAFG.WW.Y.0043.060408T0200Z-060408T1400Z/
CHUKCHI SEA COAST-
INCLUDING...POINT HOPE...SHISHMAREF...KIVALINA...ESPENBERG
119 PM ADT FRI APR 7 2006

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM ADT SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM ADT SATURDAY. 

EXPECT GUSTS TO 45 MPH WITH VISIBILITIES REDUCED TO NEAR ZERO IN
BLOWING AND FALLING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

$$

AKZ211-080600-
/X.CON.PAFG.WW.Y.0043.060407T2200Z-060408T1400Z/
SOUTHERN SEWARD PENINSULA COAST-
INCLUDING...NOME...WHITE MOUNTAIN...GOLOVIN
119 PM ADT FRI APR 7 2006

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM ADT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM ADT
SATURDAY. 

EXPECT LOCAL GUSTS TO 45 MPH WITH VISIBILITIES REDUCED TO NEAR
ZERO AT TIMES IN BLOWING AND FALLING SNOW.

A WINTER WEATHER ADVISORY MEANS THAT SEVERAL WINTER HAZARDS ARE
EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN
TRAVELING.

$$
000 
WWAK42 PAFG 080520
WSWWCZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
920 PM ADT FRI APR 7 2006


AKZ213-081500-
/X.CAN.PAFG.BZ.W.0022.000000T0000Z-060408T0600Z/
/X.NEW.PAFG.BS.Y.0032.060408T0520Z-060408T1500Z/
/X.CAN.PAFG.WW.Y.0043.060408T0600Z-060408T1800Z/
ST LAWRENCE ISLAND AND BERING STRAIT COAST-
INCLUDING...GAMBELL...SAVOONGA...BREVIG MISSION...TELLER...
WALES...DIOMEDE
920 PM ADT FRI APR 7 2006

...BLIZZARD WARNING IS CANCELLED...
...WINTER WEATHER ADVISORY IS CANCELLED...
...BLOWING SNOW ADVISORY IN EFFECT UNTIL 7 AM ADT SATURDAY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM ADT SATURDAY. THE
BLIZZARD WARNING HAS BEEN CANCELLED. THE WINTER WEATHER ADVISORY
HAS BEEN CANCELLED. 

SNOW SHOWERS AND EAST WINDS GUSTING TO 30 MPH OVERNIGHT WILL
PRODUCE BRIEFLY POOR VISIBILITIES.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO BLOWING SNOW. USE CAUTION WHEN TRAVELING.

$$

AKZ214-081500-
/X.CAN.PAFG.BZ.W.0022.000000T0000Z-060408T0600Z/
/X.NEW.PAFG.BS.Y.0032.060408T0520Z-060408T1500Z/
/X.CAN.PAFG.WW.Y.0043.060408T0600Z-060408T1200Z/
YUKON DELTA-
INCLUDING...EMMONAK...MOUNTAIN VILLAGE...ALAKANUK...KOTLIK...
PILOT STATION...ST MARYS...SCAMMON BAY...NUNAM IQUA...
PITKAS POINT
920 PM ADT FRI APR 7 2006

...BLIZZARD WARNING IS CANCELLED...
...WINTER WEATHER ADVISORY IS CANCELLED...
...BLOWING SNOW ADVISORY IN EFFECT UNTIL 7 AM ADT SATURDAY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM ADT SATURDAY. THE
BLIZZARD WARNING HAS BEEN CANCELLED. THE WINTER WEATHER ADVISORY
HAS BEEN CANCELLED. 

SNOW SHOWERS AND SOUTHEAST WINDS GUSTING TO 30 MPH OVERNIGHT
WILL PRODUCE BRIEFLY POOR VISIBILITIES.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO BLOWING SNOW. USE CAUTION WHEN TRAVELING.

$$

AKZ211-081500-
/X.CAN.PAFG.WW.Y.0043.000000T0000Z-060408T1400Z/
/X.NEW.PAFG.BS.Y.0032.060408T0520Z-060408T1500Z/
SOUTHERN SEWARD PENINSULA COAST-
INCLUDING...NOME...WHITE MOUNTAIN...GOLOVIN
920 PM ADT FRI APR 7 2006

...WINTER WEATHER ADVISORY IS CANCELLED...
...BLOWING SNOW ADVISORY IN EFFECT UNTIL 7 AM ADT SATURDAY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM ADT SATURDAY. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

SNOW SHOWERS AND EAST WINDS GUSTING TO 30 MPH OVERNIGHT
WILL PRODUCE BRIEFLY POOR VISIBILITIES.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO BLOWING SNOW. USE CAUTION WHEN TRAVELING.

$$

AKZ207-081500-
/X.CAN.PAFG.WW.Y.0043.000000T0000Z-060408T1400Z/
/X.NEW.PAFG.BS.Y.0032.060408T0520Z-060408T1500Z/
CHUKCHI SEA COAST-
INCLUDING...POINT HOPE...SHISHMAREF...KIVALINA...ESPENBERG
920 PM ADT FRI APR 7 2006

...WINTER WEATHER ADVISORY IS CANCELLED...
...BLOWING SNOW ADVISORY IN EFFECT UNTIL 7 AM ADT SATURDAY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM ADT SATURDAY. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

SNOW SHOWERS AND EAST WINDS GUSTING TO 30 MPH OVERNIGHT
WILL PRODUCE BRIEFLY POOR VISIBILITIES.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO BLOWING SNOW. USE CAUTION WHEN TRAVELING.

$$

What forecasters said that day

The local office's own words before this blizzard 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 blizzard warning went out at Apr 6, 9:34 PM AKDT, 10 hours 17 minutes earlier.

Area forecast discussion, Apr 6, 9:34 PM AKDT, 10 hours 17 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
234 AM ADT FRI APR 7 2006

.DISCUSSION...
CURRENT MAP...500 MB RIDGE EXTENDING FROM BRISTOL BAY NORTH TO
THE BROOKS RANGE SEPARATING INBOUND MUSCULAR SHORTWAVE OVER THE
EASTERN BERING SEA FROM HIGH AMPLITUDE TROUGH FROM CANADIAN ARCTIC
SOUTH ALONG THE ALASKA CANADA BORDER TO CLOSED LOW IN THE EASTERN
GULF OF ALASKA. BERING SEA SHORTWAVE SPONSORING SURFACE LOW IN THE
960S MB OVER THE WESTERN ALEUTIAN TIP...WHILE EASTERN COUNTERPART
PROVIDING ENOUGH COLD ADVECTION ABOUT SURFACE LOW OVER WHITEHORSE TO
MAINTAIN WEAK ARCTIC BOUNDARY ON NORTH SIDE OF THE ALASKA RANGE.
RIDGE ALOFT KEEPING SKIES CLEAR OVER MOST OF INTERIOR ALASKA...
WITH CLOUDS GENERALLY SOUTH OF A LINE FROM ROUGHLY FAIRBANKS TO
EAGLE. CLOUDS NOW APPROACHING THE WEST COAST WITH SOUTHERN BERING
SEA SURFACE LOW.

MODELS...AGREEING BROADLY TO MOVE BERING SEA SHORTWAVE ACROSS WEST
COAST TODAY AND SMEARING IT ACROSS THE WESTERN INTERIOR ON
SATURDAY AS RIDGE ALOFT TRANSLATES EASTWARD. SURFACE LOW IN THE
SOUTHERN BERING SEA WILL WEAKEN GRADUALLY AND STALL OVER THE
PRIBILOFS ON SATURDAY...AND TIGHT GRADIENT WITH TOUGH SURFACE
RIDGE OVER THE EASTERN INTERIOR WILL BOOST WIND SPEEDS FOR WEST
COAST TODAY AND SPREAD THIS TO WESTERN INTERIOR AND WESTERN ARCTIC
COAST TONIGHT. ALL WINDS EASING UP BY LATE SATURDAY AS
SURFACE LOW FILLS.

NORTH SLOPE...APPROACHING SURFACE LOW FROM SOUTHERN BERING WILL
START GRINDING AGAINST RIDGE OVER PRUDHOE BAY AND THE HIGH ARCTIC
TO BOOST WIND SPEEDS STARTING TONIGHT WEST OF POINT BARROW.
INCREASING CLOUDS FROM WEST TO EAST WITH SNOW SHOWERS DEVELOPING
NEAR CAPE LISBURNE SATURDAY SPREADING EAST TO BARROW BY SATURDAY
NIGHT. SOUTHEAST PUSH ABOUT BERING SEA LOW WILL EASE SOME WARMER
AIR ACROSS THE NORTH SLOPE GOING INTO THE WEEKEND. ARCTIC
MARINERS...BRISK WINDS GETTING STARTED TONIGHT FROM CAPE LISBURNE
TO POINT LAY AND EXTENDING EAST TO POINT FRANKLIN ON SATURDAY AND
CONTINUING THROUGH THE WEEKEND.

WEST COAST...INCOMING BERING SEA LOW WILL BOOST WINDS FIRST THIS
MORNING OVER SAINT LAWRENCE ISLAND AND THEN ACROSS THE YUKON DELTA
AND WESTERN NORTON SOUND BY THIS AFTERNOON. HAVE WINTER WEATHER
ADVISORIES UP FOR GUSTS AND BLOWING SNOW AS SNOW BEGINS FROM SAINT
LAWRENCE ISLAND TO EMMONAK BY NOON TODAY...AND THEN FROM NOME TO
ANVIK BY THIS EVENING. WITH WARMING SURFACE TEMPERATURES...EXPECT BLOWING
SNOW WILL BE LIMITED TO THAT WHICH IS FALLING RATHER THAN SNOW
ALREADY IN PLACE. AS SURFACE LOW STALLS OVER THE PRIBILOFS...SOME
BREEZIER CONDITIONS WILL BUILD IN TONIGHT FROM BERING STRAIT
NORTH..WITH SNOW SHOWERS SPREADING NORTH OVER THE SEWARD
PENINSULA TONIGHT AND REACHING KOTZEBUE SOUND AND THE CHUKCHI SEA
BY EARLY SATURDAY MORNING. WITH SURFACE LOW STALLED...SHOWERS WILL
BECOME SPOTTY AND LESS ORGANIZED ON SATURDAY...BUT WILL MAKE A
SLOW EXIT FROM THE SCENE THIS WEEKEND. WEST COAST MARINERS...
EXPECT BRISK WINDS STARING TODAY SOUTH OF BERING STRAIT...AND FOR
CHUKCHI SEA ONLY NORTH OF BERING STRAIT. WITH SURFACE LOW FILLING
OVER THE PRIBILOFS...WINDS WILL EASE GRADUALLY THROUGH SATURDAY NIGHT.

INTERIOR...CLEARING SKIES FOR CLOUDY SOUTHEAST INTERIOR TODAY AS
RIDGE ALOFT TRANSLATES FROM WEST TO EAST IN ADVANCE OF ARRIVING
WEST COAST STORM. OCCLUSION ABOUT BERING SEA SURFACE LOW WILL PUSH
EAST TO LIE FROM KOYUK TO ANVIK LATE THIS EVENING AND THEN STALL
OUT FROM AMBLER TO MCGRATH ON SATURDAY. EXPECTING SNOW ALONG THIS
OCCLUSION AS IT CREEPS EASTWARD...WITH SOME RAIN MIXING WITH SNOW
DURING THE DAY IN THE LOWER YUKON VALLEY. SOME GRADUAL WARMING ON
TAP FOR THE INTERIOR IN WEAK WARM ADVECTION.

MEDIUM RANGE...PUSHING ANOTHER SHORTWAVE INTO WEST COAST ABOUT
BERING SEA CLOSED LOW AND THEN DIGGING THIS TO THE SOUTH AND EAST
LATE IN THE WEEK. LOW FLOW TROUGH PATTERN DEVELOPS ALOFT TO
MAINTAIN CLOUDS AND SPOTTY SNOW STATEWIDE IN GENERALLY LIGHT WIND
REGIME AT THE SURFACE.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FOR AKZ207-AKZ211-AKZ213-AKZ214.

BRISK WIND ADVISORY FOR PKZ200-PKZ210-PKZ220-PKZ225-PKZ230.
&&

TS APR 06

The office that day

Everything else NWS Fairbanks, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 6, 9:40 PM AKDTBrisk Wind AdvisoryAFG24 hr
Apr 6, 9:43 PM AKDTBrisk Wind AdvisoryAFG4 days
Apr 6, 10:45 PM AKDTWinter Weather AdvisoryAFG23 hr
Apr 7, 4:46 AM AKDTWind Chill AdvisoryAFG10 hr
Apr 7, 8:53 AM AKDTBrisk Wind AdvisoryAFG61 hr

Nearby

Blizzard Warnings in Alaska, 2006Every blizzard warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.