Alert archive / Missouri / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 15

March 8, 2002Monroe County, Randolph County, Illinois; 52 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Mar 8, 2002, 11:45 PM CST for Monroe County, Randolph County, Illinois; 52 counties in Missouri. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Mar 8, 2002, 11:45 PM CST (05:45 UTC)
Expired
Mar 9, 2002, 4:00 AM CST
In force
4 hr
Issued by
the Storm Prediction Center
All 54 counties

Monroe County, IL, Randolph County, IL, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Bollinger County, MO, Butler County, MO, Camden County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howell County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Madison County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Perry County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Shannon County, MO, St. Clair County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 78 km from the middle of the area, began a volume at 05:46 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.

IssuedProductOfficeCountiesLasted
Mar 8, 11:52 PM CSTSevere Thunderstorm WarningSGFVernon68 min
Mar 9, 12:28 AM CSTSevere Thunderstorm WarningSGFBarton, Jasper62 min
Mar 9, 12:50 AM CSTSevere Thunderstorm WarningSGFBenton, Cedar, Hickory, St. Clair40 min
Mar 9, 12:53 AM CSTSevere Thunderstorm WarningSGFNewton52 min
Mar 9, 1:05 AM CSTSevere Thunderstorm WarningSGFDade25 min
Mar 9, 1:14 AM CSTSevere Thunderstorm WarningSGFMcDonald46 min
Mar 9, 1:25 AM CSTSevere Thunderstorm WarningSGFLawrence50 min
Mar 9, 1:29 AM CSTSevere Thunderstorm WarningSGFPolk46 min
Mar 9, 1:31 AM CSTSevere Thunderstorm WarningLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more285 days
Mar 9, 1:49 AM CSTSevere Thunderstorm WarningSGFGreene41 min
Mar 9, 1:52 AM CSTSevere Thunderstorm WarningSGFCamden, Dallas38 min
Mar 9, 1:56 AM CSTSevere Thunderstorm WarningSGFBarry49 min
Mar 9, 2:17 AM CSTSevere Thunderstorm WarningSGFLaclede43 min

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.8 hours before the alert went out and 129 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 00:00Z on 2002-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 217 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 00:00Z on 2002-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 square meters per square second.1939587897Sfc1 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
217 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
414 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 11:30 PM CSTSevere Thunderstorm WatchSPCAdams, Brown, Bureau, Carroll, Fulton, Hancock and 14 more5 hr
Mar 9, 4:00 AM CSTSevere Thunderstorm WatchSPCBoone, Bureau, Champaign, Cook, DeKalb, DeWitt and 33 more4 hr
Mar 8, 9:00 PM CSTSevere Thunderstorm WatchSPCAndrew, Atchison, Buchanan, Caldwell, Cass, Clay and 17 more5 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Illinois, 2002Every severe thunderstorm watch in 2002

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.