Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 289, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 5, 2017, 3:09 AM CDT for Montague County, Texas. It was in force for 81 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 5, 2017, 3:09 AM CDT (08:09 UTC)
- Expired
- Jul 5, 2017, 4:30 AM CDT
- In force
- 81 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Montague County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 129 km from the middle of the area, began a volume at 08:11 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 00:00Z, 8.2 hours before the alert went out and 174 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
- 172 J/kg
- Mixed-layer CIN
- -298 J/kg
- Mixed-layer LCL
- 1704 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 4, 11:37 PM CDT, 3 hours 32 minutes earlier.
Area forecast discussion, Jul 4, 11:37 PM CDT, 3 hours 32 minutes before
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</html>Hazardous weather outlook, Jul 4, 7:51 PM CDT, 7 hours 18 minutes before
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Special weather statement, Jul 5, 2:36 AM CDT, 33 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 |
|---|---|---|---|---|
| Jul 5, 2:36 AM CDT | Special Weather Statement | FWD | Montague | 39 min |
| Jul 5, 2:47 AM CDT | Areal Flood Advisory | FWD | Lamar | 118 min |
| Jul 5, 4:29 AM CDT | Special Weather Statement | FWD | Cooke, Montague | 31 min |
| Jul 5, 4:56 AM CDT | Special Weather Statement | FWD | Grayson | 64 min |
| Jul 5, 6:13 AM CDT | Areal Flood Advisory | FWD | Fannin, Grayson, Lamar | 3 hr |
| Jul 5, 4:59 PM CDT | Special Weather Statement | FWD | Tarrant | 31 min |
| Jul 5, 5:01 PM CDT | Areal Flood Advisory | FWD | Bosque | 119 min |
| Jul 5, 5:21 PM CDT | Areal Flood Advisory | FWD | Comanche, Hamilton, Mills | 114 min |
| Jul 5, 5:27 PM CDT | Special Weather Statement | FWD | Tarrant | 33 min |
| Jul 5, 5:42 PM CDT | Areal Flood Advisory | FWD | Tarrant | 2 hr |
| Jul 5, 6:01 PM CDT | Special Weather Statement | FWD | Tarrant | 29 min |
| Jul 5, 6:05 PM CDT | Flash Flood Warning | FWD | Tarrant | 3 hr |
| Jul 5, 6:13 PM CDT | Special Weather Statement | FWD | Tarrant | 32 min |
| Jul 5, 6:59 PM CDT | Special Weather Statement | FWD | Denton | 31 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning in 2017
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.