Alert archive / Texas / Blizzard Warnings in 2017
Blizzard Warning 1, NWS Amarillo, TX
NWS Amarillo, TX issued this blizzard warning at Apr 30, 2017, 10:25 AM CDT for Dallam County, Hartley County, Sherman County, Texas; Cimarron County, Texas County, Oklahoma. It was in force for 9 hr. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 30, 2017, 10:25 AM CDT (15:25 UTC)
- Expired
- Apr 30, 2017, 7:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Amarillo, TX
Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hartley County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 135 km from the middle of the area, began a volume at 15:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 30, 10:35 AM CDT | SNOW 10 | Stratford, TX | |
| Apr 30, 10:50 AM CDT | SNOW 7 | 4 E Dalhart, TX | WHITEOUT CONDITIONS WITH VISIBILITY AROUND 50 YARDS |
| Apr 30, 1:00 PM CDT | SNOW 12 | Boise City, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 3.4 hours before the alert went out and 136 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
- 631 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- -80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
560 WWUS44 KAMA 301525 WSWAMA URGENT - WINTER WEATHER MESSAGE National Weather Service Amarillo TX 1025 AM CDT Sun Apr 30 2017 OKZ001-TXZ001-006-302330- /O.UPG.KAMA.WS.W.0004.000000T0000Z-170501T0000Z/ /O.NEW.KAMA.BZ.W.0001.170430T1525Z-170501T0100Z/ Cimarron-Dallam-Hartley- Including the cities of Boise City, Keyes, Dalhart, Hartley, and Channing 1025 AM CDT Sun Apr 30 2017 ...BLIZZARD WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... The National Weather Service in Amarillo has issued a Blizzard Warning...which is in effect until 8 PM CDT this evening. The Winter Storm Warning is no longer in effect. * Timing...Through 7 PM Sunday. * Precip Type...Snow. * Accumulations...Storm total snow accumulations of 6 to 12 inches are expected, with the highest amounts along the extreme northwest Texas and Oklahoma Panhandle. * Winds/Visibility...Winds gusting as high as 70 mph will cause whiteout conditions due to blowing snow. * Impacts...The potential exists for very difficult to impossible driving conditions due to reduction in visibility along with slick roadways. North winds 30 to 40 mph with higher gusts will cause drifting of snow and reduced visibilities. Power outages may occur. 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...have a winter survival kit with you. If you get stranded...stay with your vehicle. && $$ OKZ002-TXZ002-302330- /O.CON.KAMA.WS.W.0004.000000T0000Z-170501T0000Z/ Texas-Sherman- Including the cities of Guymon and Stratford 1025 AM CDT Sun Apr 30 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * Timing...Through 7 PM Sunday. * Precip Type...Snow. * Accumulations...Storm total snow accumulations of 6 to 12 inches are expected, with the highest amounts along the extreme northwest Texas and Oklahoma Panhandle. * Impacts...The potential exists for very difficult to impossible driving conditions due to reduction in visibility along with slick roadways. North winds 30 to 40 mph with higher gusts will cause drifting of snow and reduced visibilities. Power outages may occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means significant amounts of snow... sleet...or ice are expected or occurring. Strong winds are also possible. This will make travel very hazardous or impossible. && $$ OKZ003-TXZ003>005-007>018-302330- /O.CON.KAMA.WW.Y.0006.000000T0000Z-170501T0000Z/ Beaver-Hansford-Ochiltree-Lipscomb-Moore-Hutchinson-Roberts- Hemphill-Oldham-Potter-Carson-Gray-Wheeler-Deaf Smith-Randall- Armstrong- Including the cities of Beaver, Forgan, Spearman, Gruver, Perryton, Booker, Higgins, Follett, Dumas, Borger, Miami, Canadian, Vega, Amarillo, Panhandle, White Deer, Pampa, Shamrock, Wheeler, Hereford, Canyon, and Claude 1025 AM CDT Sun Apr 30 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * Timing...Through 7 PM Sunday. * Precip Type...Snow. * Accumulations...Storm total accumulations of 1 to 5 inches are expected. Higher amounts are expected as you travel north of the I 40 corridor. * Impacts...Areas of poor visibility and slick roadways may create difficult driving. North winds 30 to 40 mph with higher gusts may cause drifting of snow and reduced visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ Schneider
3 follow-up statements
329 WWUS44 KAMA 301714 WSWAMA URGENT - WINTER WEATHER MESSAGE National Weather Service Amarillo TX 1214 PM CDT Sun Apr 30 2017 OKZ002-TXZ002-010100- /O.UPG.KAMA.WS.W.0004.000000T0000Z-170501T0000Z/ /O.EXA.KAMA.BZ.W.0001.000000T0000Z-170501T0100Z/ Texas-Sherman- Including the cities of Guymon and Stratford 1214 PM CDT Sun Apr 30 2017 ...BLIZZARD WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... The National Weather Service in Amarillo has issued a Blizzard Warning...which is in effect until 8 PM CDT this evening. The Winter Storm Warning is no longer in effect. * Timing...Through 7 PM Sunday. * Precip Type...Snow. * Accumulations...Storm total snow accumulations of 6 to 8 inches are expected, with the highest amounts along the northwest Texas and Oklahoma Panhandles. * Winds/Visibility...Winds gusting as high as 70 mph will cause whiteout conditions due to blowing snow. * Impacts...The potential exists for very difficult to impossible driving conditions due to reduction in visibility along with slick roadways. North winds 30 to 40 mph with higher gusts will cause drifting of snow and reduced visibilities. Power outages may occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions...making travel extremely dangerous. Do not travel. If you must...have a winter survival kit with you. If you get stranded...stay with your vehicle. && $$ OKZ001-TXZ001-006-010100- /O.CON.KAMA.BZ.W.0001.000000T0000Z-170501T0100Z/ Cimarron-Dallam-Hartley- Including the cities of Boise City, Keyes, Dalhart, Hartley, and Channing 1214 PM CDT Sun Apr 30 2017 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * Timing...Through 7 PM Sunday. * Precip Type...Snow. * Accumulations...Storm total snow accumulations of 6 to 12 inches are expected, with the highest amounts along the extreme northwest Texas and Oklahoma Panhandle. * Winds/Visibility...Winds gusting as high as 70 mph will cause whiteout conditions due to blowing snow. * Impacts...The potential exists for very difficult to impossible driving conditions due to reduction in visibility along with slick roadways. North winds 30 to 40 mph with higher gusts will cause drifting of snow and reduced visibilities. Power outages may occur. 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...have a winter survival kit with you. If you get stranded...stay with your vehicle. && $$ OKZ003-TXZ003>005-007>018-010000- /O.CON.KAMA.WW.Y.0006.000000T0000Z-170501T0000Z/ Beaver-Hansford-Ochiltree-Lipscomb-Moore-Hutchinson-Roberts- Hemphill-Oldham-Potter-Carson-Gray-Wheeler-Deaf Smith-Randall- Armstrong- Including the cities of Beaver, Forgan, Spearman, Gruver, Perryton, Booker, Higgins, Follett, Dumas, Borger, Miami, Canadian, Vega, Amarillo, Panhandle, White Deer, Pampa, Shamrock, Wheeler, Hereford, Canyon, and Claude 1214 PM CDT Sun Apr 30 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * Timing...Through 7 PM Sunday. * Precip Type...Snow. * Accumulations...Storm total accumulations of 1 to 5 inches are expected. Higher amounts are expected as you travel north of the I 40 corridor. * Impacts...Areas of poor visibility and slick roadways may create difficult driving. North winds 30 to 40 mph with higher gusts may cause drifting of snow and reduced visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow...sleet...or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. && $$ Schneider
237 WWUS44 KAMA 302038 WSWAMA URGENT - WINTER WEATHER MESSAGE National Weather Service Amarillo TX 338 PM CDT Sun Apr 30 2017 OKZ003-TXZ003>005-007>018-302145- /O.CAN.KAMA.WW.Y.0006.000000T0000Z-170501T0000Z/ Beaver-Hansford-Ochiltree-Lipscomb-Moore-Hutchinson-Roberts- Hemphill-Oldham-Potter-Carson-Gray-Wheeler-Deaf Smith-Randall- Armstrong- Including the cities of Beaver, Forgan, Spearman, Gruver, Perryton, Booker, Higgins, Follett, Dumas, Borger, Miami, Canadian, Vega, Amarillo, Panhandle, White Deer, Pampa, Shamrock, Wheeler, Hereford, Canyon, and Claude 338 PM CDT Sun Apr 30 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... The National Weather Service in Amarillo has cancelled the Winter Weather Advisory. The snow is expected to end across the eastern Oklahoma Panhandle and much of the Texas Panhandle by this evening. No further snowfall accumulations are expected. Therefore, the Winter Weather Advisory has been cancelled. $$ OKZ001-002-TXZ001-002-006-010000- /O.EXT.KAMA.BZ.W.0001.000000T0000Z-170501T0000Z/ Cimarron-Texas-Dallam-Sherman-Hartley- Including the cities of Boise City, Keyes, Guymon, Dalhart, Stratford, Hartley, and Channing 338 PM CDT Sun Apr 30 2017 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * Timing...Through 7 PM Sunday. * Precip Type...Blowing and Drifting Snow. * Accumulations...Storm total snow accumulations of 6 to 12 inches are expected, with the highest amounts along the extreme northwest Texas and Oklahoma Panhandle. * Winds/Visibility...Winds gusting as high as 55 mph will cause whiteout conditions due to blowing snow. * Impacts...The potential exists for very difficult to impossible driving conditions due to reduction in visibility along with slick roadways. North winds 30 to 40 mph with higher gusts will cause drifting of snow and reduced visibilities. Power outages may occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions...making travel extremely dangerous. Do not travel. If you must...have a winter survival kit with you. If you get stranded...stay with your vehicle. && $$ Schneider
228 WWUS44 KAMA 302350 WSWAMA URGENT - WINTER WEATHER MESSAGE National Weather Service Amarillo TX 650 PM CDT Sun Apr 30 2017 OKZ001-002-TXZ001-002-006-010100- /O.EXP.KAMA.BZ.W.0001.000000T0000Z-170501T0000Z/ Cimarron-Texas-Dallam-Sherman-Hartley- Including the cities of Boise City, Keyes, Guymon, Dalhart, Stratford, Hartley, and Channing 650 PM CDT Sun Apr 30 2017 ...BLIZZARD WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... Snow has ended and wind speeds have diminished across the warned area. No further snowfall is expected and winds speeds will no longer pose a threat for blowing snow. As a result, the Blizzard Warning will expire at 7 pm. $$ 24
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 3:48 AM CDT | Wind Advisory | AMA | Armstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 12 more | 16 hr |
| Apr 30, 3:50 PM CDT | Freeze Warning | AMA | Dallam, Hansford, Hartley, Moore, Ochiltree, Sherman | 18 hr |
Nearby
Blizzard Warnings in Texas, 2017Blizzard Warnings in Oklahoma, 2017Every blizzard warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.