Alert archive / Missouri / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 4, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Mar 7, 2002, 10:45 PM CST for Andrew County, DeKalb County, Missouri. It was in force for 45 min. 4 reports 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
- Mar 7, 2002, 10:45 PM CST (04:45 UTC)
- Expired
- Mar 7, 2002, 11:30 PM CST
- In force
- 45 min
- Issued by
- NWS Kansas City, MO
- Area
- Counties, with a storm outline in the text
Counties Andrew County, MO, DeKalb County, MO
The radar
The Pleasant Hill radar (KEAX), 128 km from the middle of the area, began a volume at 04:49 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 |
|---|---|---|---|
| Mar 7, 10:58 PM CST | Hail 0.88 | Union Star, MO | |
| Mar 7, 11:00 PM CST | Hail 0.88 | Helena, MO | |
| Mar 7, 11:23 PM CST | Hail 1.75 | Fairport, MO | |
| Mar 7, 11:28 PM CST | Hail 1 | Santa Rosa, 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
Topeka, KS (KTOP), launched 00:00Z, 4.8 hours before the alert went out and 137 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
- 695 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 950 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 520 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KEAX 080445 SVRMCI MOC003-063-080530- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1045 PM CST THU MAR 7 2002 THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN ANDREW COUNTY IN NORTHWEST MISSOURI DEKALB COUNTY IN NORTHWEST MISSOURI * UNTIL 1130 PM CST * AT 1044 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DIME SIZE HAIL. THIS STORM WAS LOCATED NEAR ROCHESTER...OR 16 MILES NORTHEAST OF ST JOSEPH...AND MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... UNION STAR...CLARKSDALE BY 1050 PM CST. AMITY BY 1100 PM CST. MAYSVILLE BY 1110 PM CST. FAIRPORT BY 1115 PM CST. WEATHERBY BY 1120 PM CST. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN PLEASANT HILL. LAT...LON 4001 9486 3984 9481 3977 9423 4004 9422 SF
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 10:04 PM CST | Severe Thunderstorm Warning | EAX | Andrew, Holt | 41 min |
| Mar 7, 11:20 PM CST | Severe Thunderstorm Warning | EAX | Gentry | 25 min |
| Mar 7, 11:30 PM CST | Severe Thunderstorm Warning | EAX | Daviess | 45 min |
| Mar 8, 12:01 AM CST | Severe Thunderstorm Warning | EAX | Grundy, Harrison | 44 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.