Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at Jul 15, 2021, 7:21 PM CDT for Moore County, Texas. It was in force for 24 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
- Jul 15, 2021, 7:21 PM CDT (00:21 UTC)
- Expired
- Jul 15, 2021, 7:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Amarillo, TX
County Moore County, TX
The radar
The Amarillo radar (KAMA), 87 km from the middle of the area, began a volume at 00:22 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 00:00Z, 0.4 hours before the alert went out and 87 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
- 128 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1769 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
525 WWUS84 KAMA 160021 SPSAMA Special Weather Statement National Weather Service Amarillo TX 721 PM CDT Thu Jul 15 2021 TXZ002-003-007-008-160045- Hutchinson TX-Sherman TX-Hansford TX-Moore TX- 721 PM CDT Thu Jul 15 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HUTCHINSON... SOUTHWESTERN HANSFORD...SOUTHEASTERN SHERMAN AND NORTHEASTERN MOORE COUNTIES UNTIL 745 PM CDT... At 721 PM CDT, Doppler radar was tracking a strong thunderstorm 5 miles east of Sunray, or 16 miles northeast of Dumas. This storm was nearly stationary. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Sunray. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3590 10168 3600 10187 3620 10181 3606 10149 TIME...MOT...LOC 0021Z 211DEG 4KT 3602 10173 $$ Rutt
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:01 PM CDT | Areal Flood Advisory | AMA | Moore | 3 hr |
| Jul 15, 7:31 PM CDT | Special Weather Statement | AMA | Lipscomb | 29 min |
| Jul 15, 7:40 PM CDT | Areal Flood Advisory | AMA | Lipscomb, Ochiltree | 2 hr |
| Jul 15, 7:41 PM CDT | Special Weather Statement | AMA | Hansford | 34 min |
| Jul 15, 7:58 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb, Ochiltree | 47 min |
| Jul 16, 6:43 PM CDT | Special Weather Statement | AMA | Cimarron | 32 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.