Alert archive / Alaska / Blizzard Warnings in 2011
Blizzard Warning 5, NWS Fairbanks, AK
NWS Fairbanks, AK issued this blizzard warning at Jan 17, 2011, 8:46 PM AKST. It was in force for 27 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
- Jan 17, 2011, 8:46 PM AKST (05:46 UTC)
- Expired
- Jan 18, 2011, 11:24 PM AKST
- In force
- 27 hr
- Issued by
- NWS Fairbanks, AK
The text
As transmitted, in the capitals the NWS used until 2016.
603 WWAK41 PAFG 180546 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 846 PM AKST MON JAN 17 2011 AKZ204-181515- /X.UPG.PAFG.WW.Y.0008.000000T0000Z-110119T0300Z/ /X.NEW.PAFG.BZ.W.0005.110118T0546Z-110119T0300Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 846 PM AKST MON JAN 17 2011 ...BLIZZARD WARNING IN EFFECT UNTIL 6 PM AKST TUESDAY... THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 6 PM AKST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. WEST WINDS 35 TO 45 MPH WITH GUSTS TO 55 MPH WILL REDUCE VISIBILITY TO A QUARTER MILE OR LESS IN BLOWING SNOW TONIGHT AND TUESDAY. ADDITIONALLY THERE WILL BE WIND CHILL OF 45 BELOW TO 50 BELOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$ AKZ203-181515- /X.CON.PAFG.WW.Y.0008.000000T0000Z-110119T0300Z/ CENTRAL BEAUFORT SEA COAST- INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK 846 PM AKST MON JAN 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM AKST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM AKST TUESDAY. WEST WINDS 25 TO 35 MPH WITH WIND CHILL TO 50 BELOW AND VISIBILITY FREQUENTLY REDUCED TO A HALF MILE OR LESS IN BLOWING SNOW WILL CONTINUE THROUGH TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT ONE OR MORE WINTER HAZARDS ARE EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN TRAVELING. && $$ AKZ206-181500- /X.CON.PAFG.WW.Y.0008.000000T0000Z-110118T1500Z/ NORTHEASTERN BROOKS RANGE- INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE... SAGWON...FRANKLIN BLUFFS 846 PM AKST MON JAN 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY. SNOW AND BLOWING SNOW WILL LOCALLY REDUCE VISIBILITY TO ONE HALF MILE OR LESS AT TIMES. THIS WILL MAKE DRIVING ON THE DALTON HIGHWAY FROM ATIGUN PASS NORTHWARD DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT ONE OR MORE WINTER HAZARDS ARE EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN TRAVELING. && $$
7 follow-up statements
531 WWAK41 PAFG 180623 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 923 PM AKST MON JAN 17 2011 AKZ203-181500- /X.UPG.PAFG.WW.Y.0008.000000T0000Z-110119T0300Z/ /X.EXB.PAFG.BZ.W.0005.000000T0000Z-110120T0300Z/ CENTRAL BEAUFORT SEA COAST- INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK 923 PM AKST MON JAN 17 2011 ...BLIZZARD WARNING IN EFFECT UNTIL 6 PM AKST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 6 PM AKST WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. WEST WINDS 25 TO 35 MPH WITH LOCAL GUSTS TO 45 MPH WILL CONTINUE THROUGH TUESDAY...REDUCING VISIBILITY TO A QUARTER MILE OR LESS AT TIMES IN BLOWING SNOW. ADDITIONALLY THERE WILL BE WIND CHILL TO 50 BELOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$ AKZ204-181500- /X.CON.PAFG.BZ.W.0005.000000T0000Z-110119T0300Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 923 PM AKST MON JAN 17 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST TUESDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST TUESDAY. WEST WINDS 35 TO 45 MPH WITH GUSTS TO 55 MPH WILL REDUCE VISIBILITY TO A QUARTER MILE OR LESS IN BLOWING SNOW TONIGHT AND TUESDAY. ADDITIONALLY THERE WILL BE WIND CHILL OF 45 BELOW TO 50 BELOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$ AKZ206-181500- /X.CON.PAFG.WW.Y.0008.000000T0000Z-110118T1500Z/ NORTHEASTERN BROOKS RANGE- INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE... SAGWON...FRANKLIN BLUFFS 923 PM AKST MON JAN 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY. SNOW AND BLOWING SNOW WILL LOCALLY REDUCE VISIBILITY TO ONE HALF MILE OR LESS AT TIMES. THIS WILL MAKE DRIVING ON THE DALTON HIGHWAY FROM ATIGUN PASS NORTHWARD DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT ONE OR MORE WINTER HAZARDS ARE EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN TRAVELING. && $$
174 WWAK41 PAFG 181332 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 432 AM AKST TUE JAN 18 2011 AKZ203-182145- /X.EXT.PAFG.BZ.W.0005.000000T0000Z-110119T0300Z/ CENTRAL BEAUFORT SEA COAST- INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK 432 AM AKST TUE JAN 18 2011 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 PM AKST THIS EVENING... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 6 PM AKST THIS EVENING. BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE TODAY WITH WEST WINDS GUSTING TO 35 MPH AND WIND CHILLS TO 50 BELOW. WINDS WILL DECREASE THIS AFTERNOON AND BLIZZARD CONDITIONS WILL BEGIN TO IMPROVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$ AKZ204-182145- /X.CON.PAFG.BZ.W.0005.000000T0000Z-110119T0300Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 432 AM AKST TUE JAN 18 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING. VERY HIGH WINDS AND BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE TODAY. WEST WINDS GUSTING TO 70 MPH AND WIND CHILLS TO 50 BELOW WILL CONTINUE TODAY. WINDS WILL DECREASE THIS EVENING AND BLIZZARD CONDITIONS WILL GRADUALLY IMPROVE THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$ AKZ206-182100- /X.EXT.PAFG.WW.Y.0008.000000T0000Z-110118T2100Z/ NORTHEASTERN BROOKS RANGE- INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE... SAGWON...FRANKLIN BLUFFS 432 AM AKST TUE JAN 18 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON AKST TODAY IN PASSES... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON AKST TODAY. IN PASSES...NORTH WINDS GUSTING TO 25 MPH AND REDUCED VISIBILITY IN BLOWING SNOW ALONG WITH WIND CHILLS TO 50 BELOW WILL CONTINUE THIS MORNING. THIS WILL MAKE DRIVING ON THE DALTON HIGHWAY FROM ATIGUN PASS NORTHWARD DIFFICULT. WINDS WILL DECREASE THIS AFTERNOON AND CONDITIONS WILL IMPROVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT ONE OR MORE WINTER HAZARDS ARE EXPECTED TO CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHEN TRAVELING. && $$
513 WWAK41 PAFG 182017 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 1117 AM AKST TUE JAN 18 2011 AKZ206-182130- /X.CAN.PAFG.WW.Y.0008.000000T0000Z-110118T2100Z/ NORTHEASTERN BROOKS RANGE- INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE... SAGWON...FRANKLIN BLUFFS 1117 AM AKST TUE JAN 18 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ AKZ203-190300- /X.CON.PAFG.BZ.W.0005.000000T0000Z-110119T0300Z/ CENTRAL BEAUFORT SEA COAST- INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK 1117 AM AKST TUE JAN 18 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING. BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE TODAY WITH WEST WINDS GUSTING TO 35 MPH AND WIND CHILLS TO 50 BELOW. WINDS WILL DECREASE THIS AFTERNOON AND BLIZZARD CONDITIONS WILL BEGIN TO IMPROVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$ AKZ204-190300- /X.CON.PAFG.BZ.W.0005.000000T0000Z-110119T0300Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 1117 AM AKST TUE JAN 18 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING. VERY HIGH WINDS AND BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE TODAY. WEST WINDS GUSTING TO 70 MPH AND WIND CHILLS TO 50 BELOW WILL CONTINUE TODAY. WINDS WILL DECREASE THIS EVENING AND BLIZZARD CONDITIONS WILL GRADUALLY IMPROVE THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$
241 WWAK41 PAFG 182334 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 234 PM AKST TUE JAN 18 2011 AKZ204-190600- /X.EXT.PAFG.BZ.W.0005.000000T0000Z-110119T0600Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 234 PM AKST TUE JAN 18 2011 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 9 PM AKST THIS EVENING... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 9 PM AKST THIS EVENING. VERY HIGH WINDS AND BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE TODAY. WEST WINDS GUSTING TO 70 MPH AND WIND CHILLS TO 50 BELOW WILL CONTINUE TODAY. WINDS WILL DECREASE THIS EVENING AND BLIZZARD CONDITIONS WILL GRADUALLY IMPROVE THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$ AKZ203-190300- /X.CON.PAFG.BZ.W.0005.000000T0000Z-110119T0300Z/ CENTRAL BEAUFORT SEA COAST- INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK 234 PM AKST TUE JAN 18 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS EVENING. BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE TODAY WITH WEST WINDS GUSTING TO 35 MPH AND WIND CHILLS TO 50 BELOW. WINDS WILL DECREASE THIS AFTERNOON AND BLIZZARD CONDITIONS WILL BEGIN TO IMPROVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$
309 WWAK41 PAFG 190244 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 544 PM AKST TUE JAN 18 2011 AKZ203-190345- /X.CAN.PAFG.BZ.W.0005.000000T0000Z-110119T0300Z/ CENTRAL BEAUFORT SEA COAST- INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK 544 PM AKST TUE JAN 18 2011 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS CANCELLED THE BLIZZARD WARNING. $$ AKZ204-190600- /X.CON.PAFG.BZ.W.0005.000000T0000Z-110119T0600Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 544 PM AKST TUE JAN 18 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM AKST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM AKST THIS EVENING. VERY HIGH WINDS AND BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE INTO THIS EVENING. WEST WINDS GUSTING TO 55 MPH AND WIND CHILL TO 50 BELOW WILL CONTINUE INTO THE EVENING. WINDS WILL DECREASE LATER THIS EVENING WITH BLIZZARD CONDITIONS SLOWLY IMPROVING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITY WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$
653 WWAK41 PAFG 190440 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 740 PM AKST TUE JAN 18 2011 AKZ204-190900- /X.EXT.PAFG.BZ.W.0005.000000T0000Z-110119T0900Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 740 PM AKST TUE JAN 18 2011 ...BLIZZARD WARNING NOW IN EFFECT UNTIL MIDNIGHT AKST TONIGHT... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL MIDNIGHT AKST TONIGHT. HIGH WINDS AND BLIZZARD CONDITIONS WITH VISIBILITY NEAR ZERO WILL CONTINUE UNTIL MIDNIGHT...BUT GRADUALLY DIMINISH IN SEVERITY. WEST WINDS TO 35 MPH WITH GUSTS TO 50 MPH WILL DIMINISH GRADUALLY OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITY WILL CAUSE WHITEOUT CONDITIONS AND MAKE ANY TRAVEL OR OUTDOOR ACTIVITY HAZARDOUS. && $$
635 WWAK41 PAFG 190824 WSWNSB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FAIRBANKS AK 1124 PM AKST TUE JAN 18 2011 AKZ204-190930- /X.CAN.PAFG.BZ.W.0005.000000T0000Z-110119T0900Z/ EASTERN BEAUFORT SEA COAST- INCLUDING...KAKTOVIK...FLAXMAN ISLAND 1124 PM AKST TUE JAN 18 2011 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS CANCELLED THE BLIZZARD WARNING. WINDS WILL CONTINUE TO DECREASE THROUGH THE NIGHT. VISIBILITY WILL IMPROVE AS THE WINDS CONTINUE TO DECREASE...HOWEVER WIND CHILLS WILL REMAIN NEAR 40 BELOW. $$
The office that day
Everything else NWS Fairbanks, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 18, 3:29 AM AKST | Wind Chill Advisory | AFG | 71 hr | |
| Jan 18, 3:40 AM AKST | Gale Warning | AFG | 10 hr | |
| Jan 18, 3:58 AM AKST | Brisk Wind Advisory | AFG | 47 hr | |
| Jan 18, 2:04 PM AKST | Gale Warning | AFG | 37 hr | |
| Jan 18, 2:05 PM AKST | Brisk Wind Advisory | AFG | 23 hr |
Nearby
Blizzard Warnings in Alaska, 2011Every blizzard warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.