Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at Mar 12, 2021, 4:07 PM CST for Randall County, Texas. It was in force for 38 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
- Mar 12, 2021, 4:07 PM CST (22:07 UTC)
- Expired
- Mar 12, 2021, 4:45 PM CST
- In force
- 38 min
- Issued by
- NWS Amarillo, TX
County Randall County, TX
The radar
The Amarillo radar (KAMA), 42 km from the middle of the area, began a volume at 22:09 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, 10.1 hours before the alert went out and 42 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
- 66 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 345 m²/s²
- 0-3 km storm-relative helicity
- 390 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this special weather statement went out at Mar 12, 2:58 PM CST, 1 hour 9 minutes earlier.
Area forecast discussion, Mar 12, 2:58 PM CST, 1 hour 9 minutes before
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</html>Hazardous weather outlook, Mar 12, 3:28 PM CST, 39 minutes before
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</html>In the hours before
Special weather statement, Mar 12, 10:49 AM CST, 5 hours 18 minutes before
Special Weather Statement
National Weather Service Amarillo TX
1049 AM CST Fri Mar 12 2021
TXZ012-013-017-018-317-121745-
Potter TX-Palo Duro Canyon TX-Randall TX-Carson TX-Armstrong TX-
1049 AM CST Fri Mar 12 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ARMSTRONG...
RANDALL...SOUTHERN CARSON AND SOUTHEASTERN POTTER COUNTIES UNTIL 1145
AM CST...
At 1047 AM CST, Doppler radar was tracking line of showers extending
from 9 miles west of Panhandle to 6 miles northwest of Happy.
Movement was east at 10 mph. This line has a history of producing
brief strong wind gusts out of nowhere.
Wind gusts of 50 to 55 mph will be possible with these showers.
Locations impacted include...
Amarillo, Canyon, Panhandle, White Deer, Lake Tanglewood, Mescalero
Park, Washburn, Palo Duro Canyon, Timbercreek Canyon and Pantex.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take shelter in a sturdy building if threatening weather approaches.
&&
LAT...LON 3475 10217 3482 10217 3541 10173 3551 10111
3475 10170
TIME...MOT...LOC 1647Z 256DEG 9KT 3533 10154 3479 10196
TLHSpecial weather statement, Mar 12, 3:58 PM CST, 9 minutes before
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</html>Special weather statement, Mar 12, 4:07 PM CST, 0 minutes before
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</html>The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 9:07 AM CST | Special Weather Statement | AMA | Randall | 38 min |
| Mar 12, 9:44 AM CST | Special Weather Statement | AMA | Randall | 61 min |
| Mar 12, 10:49 AM CST | Special Weather Statement | AMA | Carson, Randall | 56 min |
| Mar 12, 3:58 PM CST | Special Weather Statement | AMA | Wheeler | 47 min |
| Mar 12, 5:56 PM CST | Special Weather Statement | AMA | Oldham | 34 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.