Alert archive / Missouri / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 39, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Apr 19, 2002, 9:45 AM CDT for Dallas County, Polk County, Missouri. It was in force for 45 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, 9:45 AM CDT (14:45 UTC)
- Expired
- Apr 19, 2002, 10:30 AM CDT
- In force
- 45 min
- Issued by
- NWS Springfield, MO
- Area
- Counties, with a storm outline in the text
Counties Dallas County, MO, Polk County, MO
The radar
The Springfield radar (KSGF), 63 km from the middle of the area, began a volume at 14:48 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 19, 9:50 AM CDT | Hail 0.75 | Polk, 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 2.8 hours before the alert went out and 112 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KSGF 191445 SVRSGF MOC059-167-191530- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SPRINGFIELD MO 944 AM CDT FRI APR 19 2002 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN POLK COUNTY IN MISSOURI NORTHERN DALLAS COUNTY IN MISSOURI * UNTIL 1030 AM CDT * AT 943 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO HALF DOLLAR SIZE. THIS STORM WAS LOCATED 9 MILES NORTHWEST OF BUFFALO...OR 11 MILES NORTHEAST OF BOLIVAR...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... URBANA BY 955 AM CDT. THE TOWNS OF GOODSON...POLK...LOUISBURG...PUMPKIN CENTER AND TUNAS ARE ALSO IN THE PATH OF THIS STORM. LAT...LON 3781 9335 3767 9332 3761 9285 3790 9285 BOOKBINDER
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 11:17 AM CDT | Severe Thunderstorm Warning | SGF | Dent | 43 min |
| Apr 19, 11:40 AM CDT | Severe Thunderstorm Warning | SGF | Pulaski | 35 min |
| Apr 19, 11:58 AM CDT | Severe Thunderstorm Warning | SGF | Phelps | 47 min |
| Apr 19, 12:00 PM CDT | Severe Thunderstorm Warning | SGF | Dent | 45 min |
| Apr 19, 12:14 PM CDT | Severe Thunderstorm Warning | SGF | Greene, Webster | 46 min |
| Apr 19, 4:42 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, Dallas, Hickory, Polk, St. Clair | 63 min |
| Apr 19, 4:49 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Lawrence | 41 min |
| Apr 19, 5:04 PM CDT | Severe Thunderstorm Warning | SGF | Camden | 56 min |
| Apr 19, 5:25 PM CDT | Severe Thunderstorm Warning | SGF | Phelps | 50 min |
| Apr 19, 5:49 PM CDT | Flash Flood Warning | SGF | Camden | 6 hr |
| Apr 19, 6:15 PM CDT | Flash Flood Warning | SGF | Maries, Miller, Pulaski | 6 hr |
| Apr 19, 6:26 PM CDT | Flash Flood Warning | SGF | Phelps | 6 hr |
| Apr 19, 6:33 PM CDT | Severe Thunderstorm Warning | SGF | Dent, Phelps, Texas | 42 min |
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.