Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 16, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Jun 21, 2021, 8:06 PM CDT for Crockett County, Texas. It was in force for 3 hr. 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, 8:06 PM CDT (01:06 UTC)
- Expired
- Jun 21, 2021, 11:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Crockett County, TX
The radar
The San Angelo radar (KSJT), 107 km from the middle of the area, began a volume at 01:08 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
Del Rio, TX (KDRT), launched 00:00Z, 1.1 hours before the alert went out and 155 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
- 3252 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1433 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
317
WGUS54 KSJT 220106
FFWSJT
TXC105-220415-
/O.NEW.KSJT.FF.W.0016.210622T0106Z-210622T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Angelo TX
806 PM CDT Mon Jun 21 2021
The National Weather Service in San Angelo has issued a
* Flash Flood Warning for...
East Central Crockett County in west central Texas...
* Until 1115 PM CDT.
* At 804 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas. Also,
motorists should be prepared for flash flooding along
Interstate 10.
* Some locations that will experience flash flooding include...
Ozona.
This includes the following highways...
Interstate 10 between Mile Markers 353 and 366.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 3067 10140 3081 10143 3082 10141 3082 10138
3079 10126 3077 10123 3075 10120 3071 10118
3069 10118 3064 10119 3061 10124 3061 10131
3062 10135 3064 10138
FLASH FLOOD...RADAR INDICATED
$$
212 follow-up statements
192
WGUS74 KSJT 220154
FFSSJT
Flash Flood Statement
National Weather Service San Angelo TX
854 PM CDT Mon Jun 21 2021
TXC105-220415-
/O.CON.KSJT.FF.W.0016.000000T0000Z-210622T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Crockett TX-
854 PM CDT Mon Jun 21 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT THIS
EVENING FOR EAST CENTRAL CROCKETT COUNTY...
At 851 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen just southwest of Ozona. Additional rainfall amounts of 1 to
2 inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas. Motorists should be
prepared for flash flooding along Interstate 10.
Some locations that will experience flash flooding include...
Ozona.
This includes the following highways...
Interstate 10 between Mile Markers 353 and 366.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 3067 10140 3081 10143 3082 10141 3082 10138
3079 10126 3077 10123 3075 10120 3071 10118
3069 10118 3064 10119 3061 10124 3061 10131
3062 10135 3064 10138
FLASH FLOOD...RADAR INDICATED
$$
21201
WGUS74 KSJT 220239
FFSSJT
Flash Flood Statement
National Weather Service San Angelo TX
939 PM CDT Mon Jun 21 2021
TXC105-220415-
/O.CON.KSJT.FF.W.0016.000000T0000Z-210622T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Crockett TX-
939 PM CDT Mon Jun 21 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT THIS
EVENING FOR EAST CENTRAL CROCKETT COUNTY...
At 934 PM CDT, Doppler radar indicated rainfall amounts have
significantly been reduced across warned area. However, flash
flooding will still be possible due to swift and fast runoff.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Ozona.
This includes the following highways...
Interstate 10 between Mile Markers 353 and 366.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 3067 10140 3081 10143 3082 10141 3082 10138
3079 10126 3077 10123 3075 10120 3071 10118
3069 10118 3064 10119 3061 10124 3061 10131
3062 10135 3064 10138
FLASH FLOOD...RADAR INDICATED
$$
21The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:30 PM CDT | Special Weather Statement | SJT | Crockett | 45 min |
| Jun 21, 7:47 PM CDT | Areal Flood Advisory | SJT | Crockett | 118 min |
| Jun 21, 8:19 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 41 min |
| Jun 21, 8:58 PM CDT | Areal Flood Advisory | SJT | Crockett | 4 hr |
| Jun 21, 9:04 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 41 min |
Nearby
Flash Flood Warnings in Texas, 2021Every flash flood warning 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.