Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at May 18, 2021, 3:21 PM CDT for Carson County, Texas. It was in force for 39 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
- May 18, 2021, 3:21 PM CDT (20:21 UTC)
- Expired
- May 18, 2021, 4:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Amarillo, TX
County Carson County, TX
The radar
The Amarillo radar (KAMA), 8 km from the middle of the area, began a volume at 20:24 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.4 hours before the alert went out and 8 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
- 1488 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
528 WWUS84 KAMA 182021 SPSAMA Special Weather Statement National Weather Service Amarillo TX 321 PM CDT Tue May 18 2021 TXZ012-013-017-018-317-182100- Potter TX-Palo Duro Canyon TX-Randall TX-Carson TX-Armstrong TX- 321 PM CDT Tue May 18 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ARMSTRONG... NORTHEASTERN RANDALL...WESTERN CARSON AND EASTERN POTTER COUNTIES UNTIL 400 PM CDT... At 321 PM CDT, Doppler radar was tracking a strong thunderstorm 5 miles southwest of Washburn, or 12 miles southeast of Amarillo, moving north at 30 mph. Penny size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Amarillo, Fritch, Washburn and Pantex. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3505 10175 3562 10183 3562 10130 3504 10153 TIME...MOT...LOC 2021Z 182DEG 28KT 3513 10164 $$ LG
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 7:06 PM CDT | Areal Flood Advisory | AMA | Randall | 21 min |
| May 17, 7:15 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Moore, Sherman | 60 min |
| May 17, 7:15 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Hartley, Moore, Oldham, Potter, Randall | 60 min |
| May 17, 7:27 PM CDT | Flash Flood Warning | AMA | Randall | 3 hr |
| May 17, 7:30 PM CDT | Areal Flood Advisory | AMA | Dallam, Hartley, Oldham | 36 min |
| May 17, 7:33 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Randall | 27 min |
| May 17, 7:35 PM CDT | Areal Flood Advisory | AMA | Potter, Randall | 3 hr |
| May 17, 7:36 PM CDT | Special Weather Statement | AMA | Moore | 24 min |
| May 17, 7:59 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Hartley, Hutchinson, Moore, Potter and 1 more | 76 min |
| May 17, 8:05 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Sherman | 55 min |
| May 17, 8:06 PM CDT | Flash Flood Warning | AMA | Dallam, Hartley, Oldham | 52 min |
| May 17, 8:09 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Collingsworth, Donley, Gray | 66 min |
| May 17, 8:41 PM CDT | Special Weather Statement | AMA | Dallam, Sherman | 34 min |
| May 17, 9:08 PM CDT | Severe Thunderstorm Warning | AMA | Gray, Roberts | 67 min |
| May 17, 9:15 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Hansford, Hutchinson, Moore, Ochiltree, Potter and 2 more | 60 min |
| May 17, 9:52 PM CDT | Special Weather Statement | AMA | Hansford, Hemphill, Ochiltree, Roberts | 23 min |
| May 17, 10:13 PM CDT | Special Weather Statement | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 62 min |
| May 17, 11:11 PM CDT | Special Weather Statement | AMA | Lipscomb | 49 min |
| May 18, 6:43 AM CDT | Dense Fog Advisory | AMA | Armstrong, Carson, Deaf Smith, Oldham, Potter, Randall | 2 hr |
| May 18, 10:31 AM CDT | Special Weather Statement | AMA | Deaf Smith | 44 min |
| May 18, 2:43 PM CDT | Special Weather Statement | AMA | Deaf Smith | 62 min |
| May 18, 2:53 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham | 97 min |
| May 18, 4:00 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham, Potter | 90 min |
| May 18, 4:16 PM CDT | Special Weather Statement | AMA | Carson | 44 min |
| May 18, 5:19 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Moore, Oldham, Potter, Randall | 86 min |
| May 18, 5:26 PM CDT | Areal Flood Advisory | AMA | Potter, Randall | 3 hr |
| May 18, 5:27 PM CDT | Special Weather Statement | AMA | Carson | 33 min |
| May 18, 5:45 PM CDT | Areal Flood Advisory | AMA | Armstrong, Carson, Hutchinson | 3 hr |
| May 18, 6:03 PM CDT | Special Weather Statement | AMA | Carson | 42 min |
| May 18, 6:28 PM CDT | Special Weather Statement | AMA | Hutchinson | 47 min |
| May 17, 7:35 PM CDT | Special Weather Statement | AMA | Cimarron | 25 min |
| May 17, 8:56 PM CDT | Special Weather Statement | AMA | Cimarron | 49 min |
| May 18, 1:14 PM CDT | Special Weather Statement | AMA | Cimarron | 46 min |
| May 18, 1:28 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron | 51 min |
Nearby
Special Weather Statements in Texas, 2021Every special weather statement in 2021
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.