Alert archive / Texas / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 55
The Storm Prediction Center issued this severe thunderstorm watch at Mar 9, 2007, 3:31 PM CST for 7 counties in Arkansas; 9 counties in Oklahoma; 15 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2007, 3:31 PM CST (21:31 UTC)
- Expired
- Mar 9, 2007, 10:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Howard County, AR, Little River County, AR, Miller County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Atoka County, OK, Bryan County, OK, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pittsburg County, OK, Pushmataha County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Western Arkansas radar (KSRX), 142 km from the middle of the area, began a volume at 21:33 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.
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 5:00 PM CST | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg | 60 min |
| Mar 9, 5:26 PM CST | Severe Thunderstorm Warning | TSA | Haskell | 53 min |
| Mar 9, 5:28 PM CST | Severe Thunderstorm Warning | TSA | LeFlore, Pushmataha | 62 min |
| Mar 9, 5:34 PM CST | Severe Thunderstorm Warning | TSA | Haskell, Muskogee, Sequoyah | 56 min |
| Mar 9, 5:53 PM CST | Severe Thunderstorm Warning | TSA | Latimer | 67 min |
| Mar 9, 6:21 PM CST | Tornado Warning | TSA | Latimer | 24 min |
| Mar 9, 6:30 PM CST | Severe Thunderstorm Warning | TSA | Haskell, LeFlore | 45 min |
| Mar 9, 6:46 PM CST | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pushmataha | 59 min |
| Mar 9, 7:17 PM CST | Severe Thunderstorm Warning | FWD | Lamar | 28 min |
| Mar 9, 7:27 PM CST | Severe Thunderstorm Warning | SHV | Red River | 63 min |
| Mar 9, 7:46 PM CST | Severe Thunderstorm Warning | TSA | LeFlore | 29 min |
| Mar 9, 7:59 PM CST | Severe Thunderstorm Warning | SHV | McCurtain | 61 min |
| Mar 9, 8:57 PM CST | Severe Thunderstorm Warning | SHV | McCurtain | 63 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.5 hours before the alert went out and 223 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1493 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 432 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 5:03 PM CST | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Washington | 5 hr |
| Mar 9, 11:36 AM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Cherokee, Choctaw, Coal and 23 more | 84 min |
| Mar 9, 4:39 PM CST | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Delaware, Mayes, Muskogee and 4 more | 96 min |
Nearby
Severe Thunderstorm Watches in Texas, 2007Severe Thunderstorm Watches in Oklahoma, 2007Severe Thunderstorm Watches in Arkansas, 2007Every severe thunderstorm 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.