Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Amarillo, TX
NWS Amarillo, TX issued this special weather statement at Jun 21, 2021, 7:08 AM CDT for Hemphill County, Texas. It was in force for 52 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
- Jun 21, 2021, 7:08 AM CDT (12:08 UTC)
- Expired
- Jun 21, 2021, 8:00 AM CDT
- In force
- 52 min
- Issued by
- NWS Amarillo, TX
County Hemphill County, TX
The radar
The Amarillo radar (KAMA), 157 km from the middle of the area, began a volume at 12:07 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
Norman, OK (KOUN), launched 12:00Z, 0.1 hours before the alert went out and 270 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
- 2695 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 947 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- -0.2
- Supercell composite
- -0.7
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 Jun 21, 5:40 AM CDT, 1 hour 28 minutes earlier.
Area forecast discussion, Jun 21, 5:40 AM CDT, 1 hour 28 minutes before
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</html>Hazardous weather outlook, Jun 21, 3:43 AM CDT, 3 hours 25 minutes before
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Special weather statement, Jun 21, 3:07 AM CDT, 4 hours 1 minute before
Special Weather Statement National Weather Service Amarillo TX 307 AM CDT Mon Jun 21 2021 OKZ001-002-210845- Cimarron OK-Texas OK- 307 AM CDT Mon Jun 21 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN TEXAS AND NORTHEASTERN CIMARRON COUNTIES UNTIL 345 AM CDT... At 306 AM CDT, Doppler radar was tracking a strong thunderstorm 8 miles north of Keyes, or 19 miles west of Elkhart, moving east at 20 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Keyes, Eva and Sturgis. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3699 10159 3666 10165 3676 10237 3699 10233 TIME...MOT...LOC 0806Z 268DEG 19KT 3692 10224 LG
Special weather statement, Jun 21, 3:29 AM CDT, 3 hours 39 minutes before
Special Weather Statement National Weather Service Amarillo TX 329 AM CDT Mon Jun 21 2021 OKZ003-210930- Beaver OK- 329 AM CDT Mon Jun 21 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BEAVER COUNTY UNTIL 430 AM CDT... At 329 AM CDT, Doppler radar was tracking a strong thunderstorm 8 miles south of Hayne, moving east at 35 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Forgan, Gate, Knowles, Mocane and Floris. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3678 10000 3686 10086 3700 10089 3700 10000 TIME...MOT...LOC 0829Z 260DEG 31KT 3698 10079 LG
Special weather statement, Jun 21, 3:39 AM CDT, 3 hours 29 minutes before
Special Weather Statement
National Weather Service Amarillo TX
339 AM CDT Mon Jun 21 2021
OKZ002-210930-
Texas OK-
339 AM CDT Mon Jun 21 2021
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN TEXAS COUNTY UNTIL 430 AM
CDT...
At 339 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 5 miles southwest of Elkhart to 8 miles north
of Texhoma. Movement was east at 25 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
these storms.
Locations impacted include...
Guymon, Goodwell, Optima, Eva and Hough.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take shelter in a sturdy building if threatening weather approaches.
&&
LAT...LON 3652 10130 3654 10187 3694 10203 3699 10203
3700 10136
TIME...MOT...LOC 0839Z 260DEG 24KT 3693 10195 3663 10182
LGSpecial weather statement, Jun 21, 4:53 AM CDT, 2 hours 15 minutes before
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</html>Special weather statement, Jun 21, 7:08 AM CDT, 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 |
|---|---|---|---|---|
| Jun 20, 7:02 PM CDT | Special Weather Statement | AMA | Randall | 28 min |
| Jun 20, 7:38 PM CDT | Special Weather Statement | AMA | Randall | 52 min |
| Jun 21, 7:26 AM CDT | Special Weather Statement | AMA | Hemphill, Wheeler | 49 min |
| Jun 21, 3:29 AM CDT | Special Weather Statement | AMA | Beaver | 61 min |
| Jun 21, 3:39 AM CDT | Special Weather Statement | AMA | Texas | 51 min |
| Jun 21, 4:53 AM CDT | Special Weather Statement | AMA | Texas | 52 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.