Alert archive / Texas / Flash Flood Watches in 2007
Flash Flood Watch 6, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood watch at Jun 25, 2007, 3:28 PM CDT for 21 counties in Texas; Howard County, Little River County, Sevier County, Arkansas. It took effect at Jun 26, 2007, 7:00 AM CDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Jun 25, 2007, 3:28 PM CDT (20:28 UTC)
- In effect from
- Jun 26, 2007, 7:00 AM CDT
- Expired
- Jun 27, 2007, 4:00 AM CDT
- In force
- 21 hr
- Issued by
- NWS Shreveport, LA
- Flood severity
- None
All 24 counties
Howard County, AR, Little River County, AR, Sevier County, AR, Angelina County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Nacogdoches County, TX, Panola County, TX, Red River County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 77 km from the middle of the area, began a volume at 20:29 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 12:00Z, 8.5 hours before the alert went out and 250 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
- 375 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Shreveport, LA wrote its last area forecast discussion before this flash flood watch went out at Jun 25, 3:26 PM CDT, 2 minutes earlier.
Area forecast discussion, Jun 25, 3:26 PM CDT, 2 minutes before
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</html>Hazardous weather outlook, Jun 25, 12:30 PM CDT, 2 hours 58 minutes before
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Flash Flood Watches in Texas, 2007Flash Flood Watches in Arkansas, 2007Every flash flood watch in 2007
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.