Alert archive / Missouri / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 796

October 23, 200116 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Oct 23, 2001, 5:15 PM CDT for 16 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Oct 23, 2001, 5:15 PM CDT (22:15 UTC)
Expired
Oct 23, 2001, 10:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Benton County, MO, Camden County, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Hickory County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Pulaski County, MO, Washington County, MO

Warnings issued inside it

12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Oct 23, 5:21 PM CDTTornado WarningLSXOsage54 min
Oct 23, 5:29 PM CDTSevere Thunderstorm WarningSGFMiller46 min
Oct 23, 6:03 PM CDTSevere Thunderstorm WarningSGFCamden, Pulaski42 min
Oct 23, 6:09 PM CDTTornado WarningLSXGasconade, Osage51 min
Oct 23, 6:12 PM CDTSevere Thunderstorm WarningSGFMiller48 min
Oct 23, 6:15 PM CDTSevere Thunderstorm WarningSGFMaries45 min
Oct 23, 6:41 PM CDTSevere Thunderstorm WarningLSXFranklin64 min
Oct 23, 6:45 PM CDTSevere Thunderstorm WarningSGFPulaski15 min
Oct 23, 6:59 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski46 min
Oct 23, 7:44 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski46 min
Oct 23, 8:28 PM CDTSevere Thunderstorm WarningSGFPhelps62 min
Oct 23, 9:41 PM CDTSevere Thunderstorm WarningLSXCrawford49 min

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.3 hours before the alert went out and 196 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2001-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1568 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2001-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1568 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
246 m²/s²
Significant tornado parameter
2.2
Supercell composite
8.9

Open this sounding in Storm Lab

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.

IssuedProductOfficeCountiesLasted
Oct 23, 2:45 PM CDTSevere Thunderstorm WatchSPCBollinger, Cape Girardeau, Iron, Jefferson, Madison, Perry and 3 more6 hr

Nearby

Severe Thunderstorm Watches in Missouri, 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.