Alert archive / Missouri / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 49, NWS Springfield, MO

April 19, 2002Dent County, Phelps County, Texas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 19, 2002, 6:33 PM CDT for Dent County, Phelps County, Texas County, Missouri. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 19, 2002, 6:33 PM CDT (23:33 UTC)
Expired
Apr 19, 2002, 7:15 PM CDT
In force
42 min
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

Counties Dent County, MO, Phelps County, MO, Texas County, MO

The radar

The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 23:32 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.

What was reported inside it

TimeReportWhereRemark
Apr 19, 6:45 PM CDTHail 0.75Rolla, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 4:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.6 hours before the alert went out and 202 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 2002-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1060 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2002-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.19395878Sfc1 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
1060 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KSGF 192333
SVRSGF
MOC065-161-215-200015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
633 PM CDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN TEXAS COUNTY IN SOUTH CENTRAL MISSOURI
  DENT COUNTY IN SOUTH CENTRAL MISSOURI
  PHELPS COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 715 PM CDT

* AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING HAIL TO THE SIZE OF
  NICKELS...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE
  STORMS WERE LOCATED 13 MILES EAST OF FORT LEONARD WOOD SOUTH  
  TO HOUSTON...AND MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   NEWBURG BY 700 PM CDT.
   DOOLITTLE...SALEM BY 705 PM CDT.

THE TOWNS OF BEULAH...EDGAR SPRINGS...LECOMA AND LAKE SPRING ARE ALSO
IN THE PATH OF THIS STORM.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 3768 9206 3705 9197 3707 9169 3741 9165
          3744 9124 3772 9118 3782 9154 3811 9153
          3802 9203

BOOKBINDER

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 9:45 AM CDTSevere Thunderstorm WarningSGFDallas, Polk45 min
Apr 19, 11:17 AM CDTSevere Thunderstorm WarningSGFDent43 min
Apr 19, 11:40 AM CDTSevere Thunderstorm WarningSGFPulaski35 min
Apr 19, 11:58 AM CDTSevere Thunderstorm WarningSGFPhelps47 min
Apr 19, 12:00 PM CDTSevere Thunderstorm WarningSGFDent45 min
Apr 19, 12:14 PM CDTSevere Thunderstorm WarningSGFGreene, Webster46 min
Apr 19, 4:42 PM CDTSevere Thunderstorm WarningSGFCedar, Dallas, Hickory, Polk, St. Clair63 min
Apr 19, 4:49 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence41 min
Apr 19, 5:04 PM CDTSevere Thunderstorm WarningSGFCamden56 min
Apr 19, 5:25 PM CDTSevere Thunderstorm WarningSGFPhelps50 min
Apr 19, 5:49 PM CDTFlash Flood WarningSGFCamden6 hr
Apr 19, 6:15 PM CDTFlash Flood WarningSGFMaries, Miller, Pulaski6 hr
Apr 19, 6:26 PM CDTFlash Flood WarningSGFPhelps6 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2002Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.