Alert archive / West Virginia / Blizzard Warnings in 2012
Blizzard Warning 2, NWS Baltimore/Washington
NWS Baltimore/Washington issued this blizzard warning at Dec 20, 2012, 2:12 PM EST for Grant County, Mineral County, Pendleton County, West Virginia; Allegany County, Maryland; Highland County, Virginia. It took effect at Dec 21, 2012, 1:00 AM EST. It was in force for 40 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
- Dec 20, 2012, 2:12 PM EST (19:12 UTC)
- In effect from
- Dec 21, 2012, 1:00 AM EST
- Expired
- Dec 22, 2012, 4:39 PM EST
- In force
- 40 hr
- Issued by
- NWS Baltimore/Washington
Counties Allegany County, MD, Highland County, VA, Grant County, WV, Mineral County, WV, Pendleton County, WV
The radar
The Sterling radar (KLWX), 144 km from the middle of the area, began a volume at 19:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.2 hours before the alert went out and 152 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1199 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
651 WWUS41 KLWX 201912 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 212 PM EST THU DEC 20 2012 MDZ501-VAZ503-WVZ501-503-505-210315- /O.CAN.KLWX.WS.W.0008.121221T0600Z-121222T2300Z/ /O.NEW.KLWX.BZ.W.0002.121221T0600Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 212 PM EST THU DEC 20 2012 ...BLIZZARD WARNING IN EFFECT FROM 1 AM FRIDAY TO 6 PM EST SATURDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 1 AM FRIDAY TO 6 PM EST SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * PRECIPITATION TYPE...SNOW...HEAVY AND BLOWING AT TIMES. * ACCUMULATIONS...8 TO 14 INCHES. HIGHEST AMOUNTS ARE EXPECTED ALONG THE HIGHEST TERRAIN...ESPECIALLY ABOVE 2500 FT. * TIMING...LATE THURSDAY NIGHT THROUGH SATURDAY. THE ONSET OF SNOW IS EXPECTED THURSDAY NIGHT...WITH THE WORST CONDITIONS LIKELY FRIDAY AFTERNOON AND FRIDAY NIGHT...THEN TAPERING OFF SATURDAY. * TEMPERATURES...HIGHS IN THE UPPER 20S. LOWS IN THE UPPER TEENS TO LOWER 20S. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVERNIGHT TONIGHT AND FOR MUCH OF FRIDAY. WINDS WILL INCREASE ON SATURDAY BETWEEN 30 TO 40 MPH...WITH PEAK GUSTS NEAR 60 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWERLINES COULD RESULT FROM THE STRONGEST GUSTS ON SATURDAY. THE SNOW IS EXPECTED TO TAPER OFF BY LATE SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
9 follow-up statements
423 WWUS41 KLWX 202243 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 543 PM EST THU DEC 20 2012 MDZ501-VAZ503-WVZ501-503-505-210645- /O.NEW.KLWX.WW.Y.0018.121220T2243Z-121221T0600Z/ /O.CON.KLWX.BZ.W.0002.121221T0600Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 543 PM EST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY... ...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 AM FRIDAY TO 6 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN...SLEET AND SNOW...WHICH IS IN EFFECT UNTIL 1 AM EST FRIDAY. A BLIZZARD WARNING REMAINS IN EFFECT FROM 1 AM FRIDAY TO 6 PM SATURDAY. * PRECIPITATION TYPE...A MIX OF FREEZING RAIN...SLEET AND SNOW THIS EVENING THEN SNOW OVERNIGHT THROUGH SATURDAY WHICH WILL BE HEAVY AT TIMES. * ACCUMULATIONS...A GLAZE OF ICE AND/OR SLUSHY SNOW ACCUMULATION TO 2 INCHES BY MIDNIGHT TONIGHT...FOLLOWED BY 6 TO 10 INCHES OF SNOWFALL. * TIMING...THIS EVENING THROUGH SATURDAY. A MIX OF FREEZING RAIN...SLEET AND SNOW THIS EVENING WILL CHANGE TO ALL SNOW OVERNIGHT. THE WORST CONDITIONS FROM SNOW AND BLOWING SNOW WILL OCCUR FRIDAY AFTERNOON AND FRIDAY NIGHT...THEN TAPERING OFF SATURDAY. * TEMPERATURES...AROUND 30 UNTIL MIDNIGHT...THEN FALLING INTO THE MID 20S. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH AFTER MIDNIGHT. * IMPACTS...ICY CONDITIONS THIS EVENING. STRONG WINDS WILL THEN CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES AFTER MIDNIGHT...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWERLINES COULD RESULT FROM THE STRONGEST GUSTS ON SATURDAY. THE SNOW IS EXPECTED TO TAPER OFF BY LATE SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
108 WWUS41 KLWX 210547 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1247 AM EST FRI DEC 21 2012 MDZ501-VAZ503-WVZ501-503-505-211400- /O.EXP.KLWX.WW.Y.0018.000000T0000Z-121221T0600Z/ /O.CON.KLWX.BZ.W.0002.121221T0600Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 1247 AM EST FRI DEC 21 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST SATURDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 AM EST EARLY THIS MORNING... * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...6 TO 10 INCHES. * TIMING...THROUGH SATURDAY. THE WORST CONDITIONS FROM SNOW AND BLOWING SNOW WILL OCCUR THIS AFTERNOON THROUGH TONIGHT...THEN TAPERING OFF SATURDAY. * TEMPERATURES...HIGHS TODAY IN THE MIDDLE 20S. LOWS TONIGHT IN THE TEENS. HIGHS SATURDAY IN THE MIDDLE 20S. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWERLINES COULD RESULT FROM THE STRONGEST GUSTS ON SATURDAY. THE SNOW IS EXPECTED TO TAPER OFF BY LATE SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
253 WWUS41 KLWX 210919 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 419 AM EST FRI DEC 21 2012 MDZ501-VAZ503-WVZ501-503-505-211730- /O.CON.KLWX.BZ.W.0002.000000T0000Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 419 AM EST FRI DEC 21 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST SATURDAY... * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...8 TO 12 INCHES. * TIMING...THROUGH SATURDAY. THE WORST CONDITIONS FROM SNOW AND BLOWING SNOW WILL OCCUR THIS AFTERNOON THROUGH TONIGHT...THEN TAPERING OFF SATURDAY. * TEMPERATURES...HIGHS TODAY IN THE MID 20S. LOWS TONIGHT IN THE TEENS. HIGHS SATURDAY IN THE MID 20S. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWERLINES COULD RESULT FROM THE STRONGEST GUSTS ON SATURDAY. THE SNOW IS EXPECTED TO TAPER OFF BY LATE SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
224 WWUS41 KLWX 211523 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1023 AM EST FRI DEC 21 2012 MDZ501-VAZ503-WVZ501-503-505-212330- /O.CON.KLWX.BZ.W.0002.000000T0000Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 1023 AM EST FRI DEC 21 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST SATURDAY... * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...8 TO 12 INCHES. * TIMING...THROUGH SATURDAY. THE WORST CONDITIONS FROM SNOW AND BLOWING SNOW WILL OCCUR THIS AFTERNOON THROUGH TONIGHT...THEN TAPERING OFF SATURDAY AFTERNOON. * TEMPERATURES...IN THE MID 20S. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWERLINES COULD RESULT FROM THE STRONGEST GUSTS ON SATURDAY. THE SNOW IS EXPECTED TO TAPER OFF BY LATE SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
146 WWUS41 KLWX 212309 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 609 PM EST FRI DEC 21 2012 MDZ501-VAZ503-WVZ501-503-505-220715- /O.CON.KLWX.BZ.W.0002.000000T0000Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 609 PM EST FRI DEC 21 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST SATURDAY... * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...8 TO 12 INCHES. * TIMING...THROUGH SATURDAY. THE WORST CONDITIONS FROM SNOW AND BLOWING SNOW WILL OCCUR TONIGHT...THEN TAPER OFF SATURDAY AFTERNOON. * TEMPERATURES...IN THE MID 20S. * WINDS...WEST 25 TO 35 MPH WITH GUSTS OF 50 TO 60 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWERLINES COULD RESULT FROM THE STRONGEST GUSTS ON SATURDAY. THE SNOW IS EXPECTED TO TAPER OFF BY LATE SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
664 WWUS41 KLWX 220707 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 207 AM EST SAT DEC 22 2012 MDZ501-VAZ503-WVZ501-503-505-221515- /O.CON.KLWX.BZ.W.0002.000000T0000Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 207 AM EST SAT DEC 22 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...8 TO 12 INCHES. * TIMING...THROUGH THIS AFTERNOON. THE WORST CONDITIONS FROM SNOW AND BLOWING SNOW WILL OCCUR THIS MORNING...THEN TAPER OFF THIS AFTERNOON. * TEMPERATURES...HIGHS TODAY IN THE MID 20S. * WINDS...WEST 30 TO 40 MPH WITH GUSTS UP TO 60 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWER LINES COULD RESULT FROM THE STRONGEST GUSTS. THE SNOW IS EXPECTED TO TAPER OFF BY LATE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
053 WWUS41 KLWX 220742 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 242 AM EST SAT DEC 22 2012 MDZ501-VAZ503-WVZ501-503-505-221545- /O.CON.KLWX.BZ.W.0002.000000T0000Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 242 AM EST SAT DEC 22 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...8 TO 12 INCHES. * TIMING...THROUGH THIS AFTERNOON. THE WORST CONDITIONS FROM SNOW AND BLOWING SNOW WILL OCCUR THIS MORNING...THEN TAPER OFF THIS AFTERNOON. * TEMPERATURES...HIGHS TODAY IN THE MID 20S. * WINDS...NORTHWEST 25 TO 40 MPH WITH GUSTS UP TO 60 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. WIND CHILL TEMPERATURES IN THE SINGLE DIGITS ARE ALSO POSSIBLE. DOWNED TREES AND POWER LINES COULD RESULT FROM THE STRONGEST GUSTS. THE SNOW IS EXPECTED TO TAPER OFF BY LATE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
672 WWUS41 KLWX 221558 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1058 AM EST SAT DEC 22 2012 MDZ501-VAZ503-WVZ501-503-505-222300- /O.CON.KLWX.BZ.W.0002.000000T0000Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 1058 AM EST SAT DEC 22 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * PRECIPITATION TYPE...SNOW...HEAVY AT TIMES. * ACCUMULATIONS...6 TO 12 INCHES. * TIMING...PERIODS OF HEAVY SNOW WILL OCCUR THROUGH LATE AFTERNOON. * TEMPERATURES...IN THE UPPER 20S. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW WITH BLIZZARD CONDITIONS EXPECTED AT TIMES...WITH VISIBILITIES OF ONE QUARTER MILE OR LESS IN BLOWING AND DRIFTING SNOW. DOWNED TREES AND POWER LINES COULD RESULT FROM THE STRONGEST GUSTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. IF YOU MUST TRAVEL... HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
239 WWUS41 KLWX 222139 WSWLWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 439 PM EST SAT DEC 22 2012 MDZ501-VAZ503-WVZ501-503-505-222245- /O.CAN.KLWX.BZ.W.0002.000000T0000Z-121222T2300Z/ EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-WESTERN GRANT- WESTERN MINERAL-WESTERN PENDLETON- INCLUDING THE CITIES OF...FROSTBURG...HIGHTOWN...BAYARD... MOUNT STORM...ELK GARDEN...CIRCLEVILLE 439 PM EST SAT DEC 22 2012 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS CANCELLED THE BLIZZARD WARNING. BLOWING SNOW WILL CONTINUE THROUGH THE EVENING HOURS POTENTIALLY CAUSING LOCALIZED WHITEOUT CONDITIONS. $$ JACKSON
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 3:05 AM EST | Winter Storm Warning | LWX | Grant, Mineral, Pendleton | 11 hr |
| Dec 20, 2:11 PM EST | High Wind Watch | LWX | Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more | 23 hr |
| Dec 20, 2:11 PM EST | Wind Advisory | LWX | Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more | 50 hr |
| Dec 20, 5:43 PM EST | Winter Weather Advisory | LWX | Grant, Mineral, Pendleton | 7 hr |
| Dec 20, 10:23 AM EST | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 37 hr |
| Dec 20, 3:37 AM EST | Gale Warning | LWX | 62 hr |
Nearby
Blizzard Warnings in West Virginia, 2012Blizzard Warnings in Maryland, 2012Blizzard Warnings in Virginia, 2012Every blizzard warning in 2012
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; radar from the NEXRAD Level II archive.