Alert archive / Illinois / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 63, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 7, 2002, 12:12 AM CDT for Sangamon County, Illinois. It was in force for 48 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
- May 7, 2002, 12:12 AM CDT (05:12 UTC)
- Expired
- May 7, 2002, 1:00 AM CDT
- In force
- 48 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
County Sangamon County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 1:05 AM CDT | Hail 1.75 | Springfield, IL |
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
Lincoln, IL (KILX), launched 00:00Z, 5.2 hours before the alert went out and 98 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
- 854 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KILX 070512
SVRSPI
ILC167-070600-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1211 AM CDT TUE MAY 7 2002
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SANGAMON COUNTY IN CENTRAL ILLINOIS
* UNTIL 100 AM CDT
* AT 1211 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF PLEASANT PLAINS. ANOTHER
SEVERE STORM WAS NOTED ON THE EAST SIDE OF SPRINGFIELD. DIME-SIZE
HAIL WAS REPORTED IN SPRINGFIELD AT 1205 AM. MOVEMENT IS EAST AT
35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CHATHAM
SPRINGFIELD
SHERMAN
ROCHESTER
RIVERTON
MECHANICSBURG
THIS STORM IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH...
DAMAGING HAIL...FREQUENT LIGHTNING...AND VERY HEAVY RAIN. TAKE
SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.
REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO YOUR LOCAL ESDA...OR THE
NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER
SERVICE. STAY TUNED FOR LATER STATEMENTS.
LAT...LON 3989 9001 3961 8994 3970 8944 3986 8925
3992 8936
CHURCHILL
NNNNThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 1:02 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 43 min |
| May 7, 1:25 AM CDT | Severe Thunderstorm Warning | ILX | Logan | 50 min |
| May 7, 1:28 AM CDT | Severe Thunderstorm Warning | ILX | Christian | 47 min |
| May 7, 1:36 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard | 39 min |
| May 7, 1:49 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 41 min |
| May 7, 2:41 AM CDT | Flash Flood Warning | ILX | Cass, Christian, Logan, Macon, Menard, Morgan and 3 more | 6 hr |
| May 7, 3:18 AM CDT | Severe Thunderstorm Warning | ILX | Effingham, Shelby | 42 min |
| May 7, 3:22 AM CDT | Flash Flood Warning | ILX | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 3 more | 7 hr |
| May 7, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Jasper | 35 min |
| May 7, 4:02 AM CDT | Flash Flood Warning | ILX | Crawford, Effingham, Jasper | 7 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 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.