Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 53, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Jun 12, 1999, 7:54 AM CDT for Mitchell County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 12, 1999, 7:54 AM CDT (12:54 UTC)
- Expired
- Jun 12, 1999, 11:55 AM CDT
- In force
- 4 hr
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Mitchell County, TX
The radar
The San Angelo radar (KSJT), 112 km from the middle of the area, began a volume at 12:56 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
Midland Regional, TX (KMAF), launched 12:00Z, 0.9 hours before the alert went out and 127 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
- 1382 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Jun 12, 2:04 AM CDT, 5 hours 50 minutes earlier.
Area forecast discussion, Jun 12, 2:04 AM CDT, 5 hours 50 minutes before
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Special weather statement, Jun 12, 5:35 AM CDT, 2 hours 19 minutes before
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Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 9:43 PM CDT | Tornado Warning | SJT | Mitchell | 77 min |
| Jun 11, 10:17 PM CDT | Tornado Warning | SJT | Fisher | 63 min |
| Jun 11, 10:27 PM CDT | Tornado Warning | SJT | Nolan | 63 min |
| Jun 11, 10:55 PM CDT | Severe Thunderstorm Warning | SJT | Mitchell | 35 min |
| Jun 11, 11:15 PM CDT | Tornado Warning | SJT | Fisher | 80 min |
| Jun 11, 11:32 PM CDT | Tornado Warning | SJT | Nolan | 78 min |
| Jun 11, 11:45 PM CDT | Tornado Warning | SJT | Coke | 60 min |
| Jun 12, 12:16 AM CDT | Flash Flood Warning | SJT | Nolan | 2 hr |
| Jun 12, 12:44 AM CDT | Tornado Warning | SJT | Coke, Runnels | 76 min |
| Jun 12, 12:48 AM CDT | Severe Thunderstorm Warning | SJT | Nolan | 62 min |
| Jun 12, 2:18 AM CDT | Severe Thunderstorm Warning | SJT | Mitchell | 62 min |
| Jun 12, 2:29 AM CDT | Severe Thunderstorm Warning | SJT | Nolan | 61 min |
| Jun 12, 3:22 AM CDT | Flash Flood Warning | SJT | Nolan | 3 hr |
| Jun 12, 3:24 AM CDT | Severe Thunderstorm Warning | SJT | Taylor | 61 min |
| Jun 12, 3:31 AM CDT | Flash Flood Warning | SJT | Fisher | 3 hr |
| Jun 12, 6:26 AM CDT | Flash Flood Warning | SJT | Fisher, Nolan | 4 hr |
| Jun 12, 8:17 AM CDT | Severe Thunderstorm Warning | SJT | Mitchell | 63 min |
| Jun 12, 8:44 AM CDT | Severe Thunderstorm Warning | SJT | Coke | 66 min |
| Jun 12, 8:53 AM CDT | Severe Thunderstorm Warning | SJT | Nolan | 62 min |
| Jun 12, 9:21 AM CDT | Flash Flood Warning | SJT | Taylor | 3 hr |
| Jun 12, 10:29 AM CDT | Flash Flood Warning | SJT | Fisher, Nolan | 3 hr |
| Jun 12, 10:50 AM CDT | Flash Flood Warning | SJT | Callahan | 3 hr |
| Jun 12, 11:35 AM CDT | Flash Flood Warning | SJT | Brown, Coleman | 3 hr |
| Jun 12, 12:19 PM CDT | Flash Flood Warning | SJT | Taylor | 101 min |
Nearby
Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999
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.