Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Fort Worth, TX
NWS Fort Worth, TX issued this special weather statement at Apr 13, 2021, 1:55 AM CDT for Johnson County, Texas. It was in force for 35 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
- Apr 13, 2021, 1:55 AM CDT (06:55 UTC)
- Expired
- Apr 13, 2021, 2:30 AM CDT
- In force
- 35 min
- Issued by
- NWS Fort Worth, TX
County Johnson County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 9 km from the middle of the area, began a volume at 06:55 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
Fort Worth, TX (KFWD), launched 00:00Z, 6.9 hours before the alert went out and 38 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
- 1192 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1812 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
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 Fort Worth, TX wrote its last area forecast discussion before this special weather statement went out at Apr 13, 1:22 AM CDT, 33 minutes earlier.
Area forecast discussion, Apr 13, 1:22 AM CDT, 33 minutes before
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</html>Hazardous weather outlook, Apr 12, 6:53 PM CDT, 7 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Fort Worth TX 653 PM CDT Mon Apr 12 2021 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-131215- Montague-Cooke-Grayson-Fannin-Lamar-Young-Jack-Wise-Denton-Collin- Hunt-Delta-Hopkins-Stephens-Palo Pinto-Parker-Tarrant-Dallas- Rockwall-Kaufman-Van Zandt-Rains-Eastland-Erath-Hood-Somervell- Johnson-Ellis-Henderson-Comanche-Mills-Hamilton-Bosque-Hill-Navarro- Freestone-Anderson-Lampasas-Coryell-Bell-McLennan-Falls-Limestone- Leon-Milam-Robertson- 653 PM CDT Mon Apr 12 2021 This Hazardous Weather Outlook is for North and Central Texas. .DAY ONE...Tonight. Strong to severe thunderstorms are possible this evening across Central Texas. Large hail and damaging winds will be the primary threats. Storm chances will linger through the overnight hours across North and Central Texas. Marginally severe hail will be the main risk. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Storm chances will continue through much of the week across North and Central Texas. A few strong to severe storms will be possible south of I-20 and east of I-35 Tuesday night through Wednesday morning. Hail will be the primary threat. Additionally, a few strong storms capable of producing small hail will be possible along the Red River Tuesday night through Wednesday morning. .SPOTTER INFORMATION STATEMENT... Limited spotter activation may be requested through early evening across Central Texas.
In the hours before
Special weather statement, Apr 12, 11:04 PM CDT, 2 hours 51 minutes before
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</html>Special weather statement, Apr 13, 1:08 AM CDT, 47 minutes before
Special Weather Statement
National Weather Service Fort Worth TX
108 AM CDT Tue Apr 13 2021
TXZ100-130645-
Young TX-
108 AM CDT Tue Apr 13 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN YOUNG COUNTY UNTIL 145
AM CDT...
At 107 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southeast of Elbert, or 10 miles southwest of Olney, moving
northeast at 40 mph.
Nickel size hail will be possible with this storm.
Locations impacted include...
Olney, Elbert and Newcastle.
LAT...LON 3340 9882 3339 9842 3325 9842 3307 9894
3310 9895 3329 9896
TIME...MOT...LOC 0607Z 239DEG 36KT 3320 9889
DunnSpecial weather statement, Apr 13, 1:55 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 10:27 PM CDT | Special Weather Statement | FWD | Stephens | 33 min |
| Apr 12, 10:32 PM CDT | Severe Thunderstorm Warning | FWD | Stephens, Young | 58 min |
| Apr 12, 11:04 PM CDT | Special Weather Statement | FWD | Palo Pinto | 26 min |
| Apr 12, 11:32 PM CDT | Severe Thunderstorm Warning | FWD | Young | 58 min |
| Apr 12, 11:40 PM CDT | Special Weather Statement | FWD | Young | 35 min |
| Apr 13, 12:42 AM CDT | Special Weather Statement | FWD | Palo Pinto | 33 min |
| Apr 13, 1:06 AM CDT | Special Weather Statement | FWD | Parker | 24 min |
| Apr 13, 1:08 AM CDT | Special Weather Statement | FWD | Young | 37 min |
| Apr 13, 1:59 AM CDT | Severe Thunderstorm Warning | FWD | Eastland | 61 min |
| Apr 13, 2:40 AM CDT | Special Weather Statement | FWD | Tarrant | 35 min |
| Apr 13, 2:46 AM CDT | Severe Thunderstorm Warning | FWD | Eastland, Erath | 59 min |
| Apr 13, 3:19 AM CDT | Special Weather Statement | FWD | Dallas | 26 min |
| Apr 13, 3:30 AM CDT | Severe Thunderstorm Warning | FWD | Dallas | 37 min |
| Apr 13, 3:43 AM CDT | Severe Thunderstorm Warning | FWD | Erath | 44 min |
| Apr 13, 4:11 AM CDT | Severe Thunderstorm Warning | FWD | Hood, Somervell | 43 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.