Alert archive / Missouri / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 724
The Storm Prediction Center issued this severe thunderstorm watch at Sep 7, 2001, 10:30 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2001, 10:30 PM CDT (03:30 UTC)
- Expired
- Sep 8, 2001, 4:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 55 counties
Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Barry County, MO, Camden County, MO, Christian County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Newton County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Sequoyah County, OK, Cooke County, TX, Fannin County, TX, Grayson County, TX, Montague County, TX
The radar
The Western Arkansas radar (KSRX), 82 km from the middle of the area, began a volume at 03:42 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
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 10:30 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 60 min |
| Sep 7, 10:36 PM CDT | Severe Thunderstorm Warning | SGF | Barry | 54 min |
| Sep 7, 10:39 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 66 min |
| Sep 7, 10:40 PM CDT | Severe Thunderstorm Warning | OUN | Love | 50 min |
| Sep 7, 10:41 PM CDT | Severe Thunderstorm Warning | SGF | Miller | 64 min |
| Sep 7, 10:44 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 46 min |
| Sep 7, 10:46 PM CDT | Severe Thunderstorm Warning | OUN | Coal | 44 min |
| Sep 7, 10:54 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Sequoyah, Wagoner | 66 min |
| Sep 7, 10:59 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 46 min |
| Sep 7, 11:09 PM CDT | Severe Thunderstorm Warning | OUN | Marshall | 51 min |
| Sep 7, 11:13 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 47 min |
| Sep 7, 11:16 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 59 min |
| Sep 7, 11:24 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 51 min |
| Sep 7, 11:31 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pushmataha | 59 min |
| Sep 7, 11:38 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 67 min |
| Sep 7, 11:42 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Sequoyah | 63 min |
| Sep 7, 11:59 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 61 min |
| Sep 8, 12:06 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 54 min |
| Sep 8, 12:11 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 64 min |
| Sep 8, 12:19 AM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 56 min |
| Sep 8, 12:36 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 69 min |
| Sep 8, 12:41 AM CDT | Severe Thunderstorm Warning | FWD | Cooke | 64 min |
| Sep 8, 12:44 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 31 min |
| Sep 8, 1:13 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 47 min |
| Sep 8, 1:15 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 60 min |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 3.5 hours before the alert went out and 194 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
- 3154 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1262 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 17.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Cleburne, Conway, Faulkner, Franklin and 21 more | 5 hr |
| Sep 7, 7:00 PM CDT | Tornado Watch | SPC | Barton, Cedar, Dade, Hickory, Jasper, McDonald and 3 more | 5 hr |
| Sep 7, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audrain, Bates, Benton, Boone, Callaway and 27 more | 5 hr |
| Sep 8, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 14 more | 6 hr |
| Sep 8, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Carter, Jefferson, Love, Marshall | 6 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2001Severe Thunderstorm Watches in Oklahoma, 2001Severe Thunderstorm Watches in Arkansas, 2001Every severe thunderstorm watch in 2001
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.