Alert archive / Missouri / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 142, NWS Springfield, MO

May 7, 2002Camden County, Dallas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 7, 2002, 6:48 PM CDT for Camden County, Dallas County, Missouri. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 7, 2002, 6:48 PM CDT (23:48 UTC)
Expired: May 7, 2002, 7:45 PM CDT
In force: 57 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

Counties Camden County, MO, Dallas County, MO

The radar

The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 23:50 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 7, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.8 hours before the alert went out and 144 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 419 J/kg
Mixed-layer CIN: -174 J/kg
Mixed-layer LCL: 732 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 309 m²/s²
0-3 km storm-relative helicity: 305 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 072348
SVRSGF
MOC029-059-080045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
647 PM CDT TUE MAY 7 2002

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DALLAS COUNTY IN SOUTHWEST MISSOURI
  CAMDEN COUNTY IN CENTRAL MISSOURI

* UNTIL 745 PM CDT

* AT 645 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING HAIL TO THE SIZE OF
  NICKELS...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM 11 MILES NORTHWEST OF
  MACKS CREEK TO MACKS CREEK...AND MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
   MACKS CREEK BY 655 PM CDT.

THE TOWNS OF TUNAS...BRANCH...LEADMINE...CLIMAX SPRINGS AND BARNUMTON
ARE ALSO IN THE PATH OF THESE STORMS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

IF ON OR NEAR LAKE OF THE OZARKS...GET OUT OF THE WATER AND MOVE 
INDOORS OF INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 
15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU 
ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER 
NOW. DONT BE CAUGHT ON THE WATER IN A THUNDERSTORM

LAT...LON 3815 9307 3779 9311 3781 9292 3818 9267

FOSTER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 3:45 PM CDT, 3 hours 3 minutes earlier.

Area forecast discussion, May 7, 3:45 PM CDT, 3 hours 3 minutes before

AREA FORECAST DISCUSSION...UPDATED TO INCLUDE WATCH
NATIONAL WEATHER SERVICE SPRINGFIELD MO
345 PM CDT TUE MAY 7 2002

FORECAST CONCERNS: FLOODING POTENTIAL OVERNIGHT. CONFIGURATION OF
CWA WITH HIGHEST TSRA POTENTIAL.

OUTFLOW BOUNDARY FROM LATEST MCS OVERNIGHT HAD MOVED INTO EXTREME
SOUTHWEST MISSOURI...WITH TEMPS APPROACHING 80 IN THIS AREA.
ELSEWHERE RAIN COOLED AIR HAS STABILIZED THE ATMOSPHERE WITH ONLY
SOME DIME SIZE HAIL REPORTS SINCE NOON. RADAR INDICATED STORM TOTAL
PRECIPITATION ABOVE 1.5 INCHES IN A BROAD AREA NORTH OF INTERSTATE
44. I WILL LIKELY ISSUE A FLOOD WATCH FOR AREAS NORTH AND EAST OF A
MOUNT VERNON TO NEVADA LINE THROUGH NOON WEDNESDAY WITH THE MAIN
EMPHASIS ON MODERATE FLOODING IN THESE AREAS....ESPECIALLY NEAR THE
LAKE OF THE OZARKS WHERE FLOODING IS ONGOING.

CONVECTION OVER CWA WILL LIKELY SHIFT NORTH AND EAST DURING THE
AFTERNOON WITH THE NEXT FOCUS OUT WEST WHERE ANOTHER COMPLEX IS
DEVELOPING IN OKLAHOMA AND KANSAS. WATER VAPOR SHOWING ANOTHER IN
THE SERIES OF SHORT WAVES MOVING ACROSS NEW MEXICO INTO WESTERN
TEXAS. THIS WILL BE THE MAIN PLAYER OVERNIGHT WITH THE INITIATION OF
CONVECTION SOMEWHERE NEAR THE OUTFLOW BOUNDARY TO THE SOUTH OF
SGF...AND ACROSS NORTHEAST OKLAHOMA WHERE MORE SUNSHINE HAS
DESTABILIZED THE ATMOSPHERE.

WILL LIKELY GO WITH PERSISTENCE FOR WEDNESDAY AND WEDNESDAY NIGHT AS
THE COLD FRONT MOVES THROUGH THE AREA. EARLIER ZONES HAD CHANCE OF
TSRA ON SUNDAY NIGHT ONLY. DUE TO SURROUNDING OFFICES AND HPC
DISCUSSION...WILL LIKELY UP THE TIME TO SATURDAY AFTN AND DROP
CHANCE MONDAY AFTERNOON. NO OTHER CHANGES EXPECTED WITH MINOR
TEMPERATURE VARIATIONS THROUGH THE PERIOD.

.SGF...
MO...FLOOD WATCH UNTIL NOON CDT WEDNESDAY FOR ZONES MOZ055>058...
MOZ066>071...MOZ077>083...MOZ089>092...MOZ096>098...MOZ106.

KS...FLOOD WATCH UNTIL NOON CDT WEDNESDAY FOR ZONE KSZ073.

JLT

In the hours before

Local storm report, May 7, 4:17 PM CDT, 2 hours 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
417 PM CDT TUE MAY 07 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0340 PM    HIATTVILLE                KS   .75 INCH HAIL
05/07/02   BOURBON                        REPORTED BY PUBLIC.

0350 PM    FT SCOTT ARPT             KS   .75 INCH HAIL
05/07/02   BOURBON                        REPORTED BY PUBLIC.

Local storm report, May 7, 4:27 PM CDT, 2 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
427 PM CDT TUE MAY 07 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0417 PM    NEVADA                    MO   .75 INCH HAIL
05/07/02   VERNON                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

0419 PM    NEVADA                    MO   .75 INCH HAIL
05/07/02   VERNON                         REPORTED BY HAM RADIO
                                          OPERATOR.

Local storm report, May 7, 5:43 PM CDT, 1 hour 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
543 PM CDT TUE MAY 07 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0505 PM    EL DORADO SPGS            MO   .75 INCH HAIL
05/07/02   CEDAR                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, May 7, 6:00 PM CDT, 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
600 PM CDT TUE MAY 07 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0600 PM    SCAMMON                   KS   .75 INCH HAIL
05/07/02   CHEROKEE                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, May 7, 6:35 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
635 PM CDT TUE MAY 07 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0630 PM    JOPLIN                    MO   60 MPH TSTM GUST
05/07/02   JASPER                         REPORTED BY STORM
                                          SPOTTER.

Local storm report, May 7, 6:47 PM CDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
647 PM CDT TUE MAY 07 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0645 PM    CARTHAGE                  MO   70 MPH TSTM GUST
05/07/02   JASPER                         REPORTED BY PUBLIC.

0645 PM    CARTHAGE                  MO   .88 INCH HAIL
05/07/02   JASPER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 12:40 AM CDT	Severe Thunderstorm Warning	SGF	Vernon	50 min
May 7, 12:52 AM CDT	Severe Thunderstorm Warning	SGF	St. Clair	53 min
May 7, 1:04 AM CDT	Severe Thunderstorm Warning	SGF	Benton	56 min
May 7, 1:16 AM CDT	Severe Thunderstorm Warning	SGF	Morgan	59 min
May 7, 1:43 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Cedar, Hickory, St. Clair	62 min
May 7, 1:52 AM CDT	Severe Thunderstorm Warning	SGF	Polk	53 min
May 7, 1:58 AM CDT	Severe Thunderstorm Warning	SGF	Miller	47 min
May 7, 2:08 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede	52 min
May 7, 2:25 AM CDT	Severe Thunderstorm Warning	SGF	Maries	65 min
May 7, 2:29 AM CDT	Severe Thunderstorm Warning	SGF	Pulaski	61 min
May 7, 2:56 AM CDT	Severe Thunderstorm Warning	SGF	Phelps	49 min
May 7, 3:01 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede	44 min
May 7, 5:31 AM CDT	Flash Flood Warning	SGF	Maries, Miller, Phelps, Pulaski	6 hr
May 7, 8:45 AM CDT	Severe Thunderstorm Warning	SGF	Vernon	60 min
May 7, 9:05 AM CDT	Severe Thunderstorm Warning	SGF	Miller	55 min
May 7, 9:17 AM CDT	Flash Flood Warning	SGF	Benton, St. Clair	6 hr
May 7, 9:30 AM CDT	Severe Thunderstorm Warning	SGF	St. Clair	60 min
May 7, 10:11 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Dade	49 min
May 7, 10:38 AM CDT	Flash Flood Warning	SGF	Vernon	6 hr
May 7, 11:00 AM CDT	Severe Thunderstorm Warning	SGF	Dade	30 min
May 7, 12:22 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Polk, Webster	23 min
May 7, 12:46 PM CDT	Severe Thunderstorm Warning	SGF	Webster, Wright	44 min
May 7, 1:02 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Greene, Webster	43 min
May 7, 1:33 PM CDT	Severe Thunderstorm Warning	SGF	Oregon, Shannon	42 min
May 7, 1:53 PM CDT	Flash Flood Warning	SGF	Texas, Wright	6 hr
May 7, 4:01 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	59 min
May 7, 4:52 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, St. Clair	53 min
May 7, 5:44 PM CDT	Severe Thunderstorm Warning	SGF	Cedar	46 min
May 7, 5:54 PM CDT	Severe Thunderstorm Warning	SGF	Hickory	66 min
May 7, 6:13 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper, Newton	62 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2002 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.