Alert archive / Illinois / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 94, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 27, 1995, 4:41 PM CDT for Saint Clair County, Illinois. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1995, 4:41 PM CDT (21:41 UTC)
- Expired
- May 27, 1995, 5:05 PM CDT
- In force
- 24 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Clair County, IL
The radar
The St Louis radar (KLSX), 70 km from the middle of the area, began a volume at 21:41 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.7 hours before the alert went out and 219 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 349 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 272145 SVRSTL ILC163-272215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 441 PM CDT SAT MAY 27 1995 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...NORTHERN ST CLAIR COUNTY AT 440 PM...A SEVERE THUNDERSTORM EXTENDED FROM JUST NORTH OF BELLEVILLE TO FREEBURG ILLINOIS. THIS STORM WAS MOVING TO THE NORTHEAST AT 30 MPH. THE TOWN OF LEBANON IS IN THE PATH OF THIS STORM. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING AND VERY HEAVY RAIN. STAY INSIDE AND AWAY FROM WINFDOWS. AMS
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.
In the hours before
Special weather statement, May 27, 3:11 PM CDT, 1 hour 30 minutes before
MOZ055-056-068-069-272115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MISSOURI 310 PM CDT SAT MAY 27 1995 ...STRONG THUNDERSTORMS HAVE DEVELOPED... AT 307PM A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 15 MILES SOUTH OF SEDALIA TO 35 MILES NORTH OF SPRINGFIELD...OR FROM COLE CAMP TO JUST NORTH OF BOLIVAR. MOVMENT WAS TO THE NORTHEAST AT 35 MILES PER HOUR. THESE STORMS WILL BE CAPABLE OF TORRENTIAL RAIN...STRONG GUSTY WINDS...AND SMALL HAIL AS THEY PASS THROUGH. TOWNS IN THE PATH OF THESE STORMS INCLUDE STOVER...VERSAILLES...GRAVOIS MILLS... HERMITAGE...AND CLIMAX SPRINGS. TRUMAN RESERVOIR...POMME DE TERRE LAKE...AND THE LAKE OF THE OZARKS ARE ALSO GOING TO BE AFFECTED BY THESE STORMS. AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY. TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. IN OPEN AREAS...GO TO A LOW PLACE SUCH AS A RAVINE OR VALLEY. REAUGH
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 4:58 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison | 32 min |
| May 27, 5:36 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 54 min |
| May 27, 6:15 PM CDT | Tornado Warning | LSX | Greene | 24 min |
| May 27, 6:17 PM CDT | Tornado Warning | LSX | Montgomery | 19 min |
| May 27, 6:22 PM CDT | Tornado Warning | LSX | Scott | 28 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1995Every severe thunderstorm warning in 1995
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.