Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 119, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Nov 27, 1994, 12:21 PM CST for Macoupin County, Illinois. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Nov 27, 1994, 12:21 PM CST (18:21 UTC)
- Expired
- Nov 27, 1994, 12:58 PM CST
- In force
- 37 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Macoupin County, IL
The radar
The St Louis radar (KLSX), 91 km from the middle of the area, began a volume at 18:07 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
Paducah/Barkley, KY (KPAH), launched 12:00Z, 6.4 hours before the alert went out and 266 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
- 594 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 262 m²/s²
- 0-3 km storm-relative helicity
- 766 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 271823 RRA SVRSTL ILC117-135-271915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1221 PM CST SUN NOV 27 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL ILLINOIS ...SOUTHERN MACOUPIN COUNTY...WESTERN MONTGOMERY COUNTY AT 1220 PM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR DORCHESTER IN SOUTHERN MACOUPIN COUNTY. THE STORM WAS MOVING NORTHEAST AT 45 MPH. THE STORM WILL BE MOVING NEAR LITCHFIELD IN WESTERN MONTGOMERY COUNTY BETWEEN 1235 AND 1245 PM. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. RP/DLF &
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, Nov 27, 8:41 AM CST, 3 hours 40 minutes before
MOZALL-271645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 839 AM CST SUN NOV 27 1994 ...THE SEVERE THUNDERSTORM WATCH FOR SOUTHWEST AND A PORTION OF CENTRAL MISSOURI HAS BEEN CANCELLED... AT 830 AM...THE SEVERE THUNDERSTORM WATCH WHICH WAS IN EFFECT ACROSS MOST OF SOUTHWEST MISSOURI AS WELL AS A PORTION OF CENTRAL MISSOURI HAS BEEN CANCELLED. THE THUNDERSTORMS HAVE MOVED EAST OF THE WATCH AREA INTO SOUTHEASTERN MISSOURI., GKS
Special weather statement, Nov 27, 9:15 AM CST, 3 hours 6 minutes before
MOZALL-271645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 914 AM CST SUN NOV 27 19/4 ...SEVERE WEATHER OUTLOOK... THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS AND POSjIBLE TORNADOES OVER PARTS OF EXTREME SOUTHEAST MISSOURI FOR TODAY. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS OVER PARTS OF EAST CENTRAL THROUGH SOUTH CENTRAL MISSOURI FOR TODAY. A STRONG LOW PRESSURE SYSTEM OVER SOUTHEAST NEBRASKA WAS BRINGING VERY WARM AND UNSTABLE AIR NORTHWARD OVER PARTS OF EASTERN AND SOUTHERN MISSOURI. A STRONG COLD FRONT OVER WESTERN MISSOURI THROUGH EASTERN OKLAHOMA WILL COLLIDE WITH THE UNSTBLE AIR RESULTING IN THE POSSIBILITY OF SEVERE WEATHER OVER PARTS OF EASTERN AND SOUTHERN MISSOURI. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISE OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTIONS THIS MORNING THROUGH MID AFTERNOON.
Special weather statement, Nov 27, 11:13 AM CST, 1 hour 8 minutes before
MOZ008>010-017>019-026-027-034>036-052-060>065-071>076-083>085- 099-ILZ049-058-064>066-069-070-074-075-079-080-095>102-271915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1113 AM CST SUN NOV 27 1994 ...STRONG THUNDERSTORMS WERE MOVING ACROSS WEST CENTRAL ILLINOIS AND EAST CENTRAL MISSOURI... AT 1110 AM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 45 MILES NORTH OF ST LOUIS IN EASTERN GREENE COUNTY ILLINOIS THROUGH THE WESTERN ST LOUIS SUBURBS TO 20 MILES SOUTH OF ROLLA IN NORTHWEST DENT COUNTY. THE STORMS WERE MOVING NORTHEAST AT 40 MPH. CRAWFORD COUNTY SHERIFF REPORTED WINDS OVER 40 MPH WITH THESE THUNDERSTORMS. IN ADDITION TO THE STRONG WIND THE STORMS WILL PRODUCE SOME BRIEF HEAVY RAIN AND MAYBE SOME SMALL HAIL. THE LINE OF THUNDERSTORMS WILL STRETCH FROM MACOUPIN COUNTY ILLINOIS THROUGH ST LOUIS CITY TO ST FRANCOIS COUNTY MISSOURI BY 1215 PM. FERRY
Special weather statement, Nov 27, 11:14 AM CST, 1 hour 7 minutes before
MOZ008>010-017>019-026-027-034>036-052-060>065-071>076-083>085- 099-ILZ049-058-064>066-069-070-074-075-079-080-095>102-271915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1113 AM CST SUN NOV 27 1994 ...STRONG THUNDERSTORMS WERE MOVING ACROSS WEST CENTRAL ILLINOIS AND EAST CENTRAL MISSOURI... AT 1110 AM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 45 MILES NORTH OF ST LOUIS IN EASTERN GREENE COUNTY ILLINOIS THROUGH THE WESTERN ST LOUIS SUBURBS TO 20 MILES SOUTH OF ROLLA IN NORTHWEST DENT COUNTY. THE STORMS WERE MOVING NORTHEAST AT 40 MPH. CRAWFORD COUNTY SHERIFF REPORTED WINDS OVER 40 MPH WITH THESE THUNDERSTORMS. IN ADDITION TO THE STRONG WIND THE STORMS WILL PRODUCE SOME BRIEF HEAVY RAIN AND MAYBE SOME SMALL HAIL. THE LINE OF THUNDERSTORMS WILL STRETCH FROM MACOUPIN COUNTY ILLINOIS THROUGH ST LOUIS CITY TO ST FRANCOIS COUNTY MISSOURI BY 1215 PM. FERRY
Special weather statement, Nov 27, 11:31 AM CST, 50 minutes before
MOZ008>010-017>019-025>027-033>036-041-042-048>052-058>065-070>076- 082>087-097>100-106>115-ILZ095>102-271935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1131 AM CST SUN NOV 27 1994 ...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI UNTIL 6 PM CST... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI UNTIL 6 PM. THE WATCH ALSO EXTENDS INTO ILLINOIS. CITIES INCLUDED IN THE WATCH ARE THE ST LOUIS METRO AREA... CAPE GIRARDEAU...ST GENEVIEVE AND FARMINGTON. STRONG THUNDERSTORMS WERE MOVING ACROSS EAST CENTAL AND SOUTHEAST MISSOURI AT 1130 AM. THE CONDITIONS ARE SUCH THAT THESE STORMS ARE EXPECTED TO INTENSIFY AS THEY MOVE EAST INCREASING THE RISK OF SEVERE THUNDERSTORMS AND POSSIBLY TORNADOES. PEOPLE IN EAST CENTRAL AND SOUTHEAST MISSOURI SHOULD STAY INFORMED OF LOCAL WEATHER CONDITIONS EARLY THIS AFTERNOON. BE PREPARED TO MOVE TO A SAFE LOCATION IF SEVERE THUNDERSTORMS THREATEN YOU AREA. DLF
Special weather statement, Nov 27, 11:32 AM CST, 49 minutes before
MOZ008>010-017>019-025>027-033>036-041-042-048>052-058>065-070>076- 082>087-097>100-106>115-ILZ095>102-271935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1131 AM CST SUN NOV 27 1994 ...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI UNTIL 6 PM CST... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI UNTIL 6 PM. THE WATCH ALSO EXTENDS INTO ILLINOIS. CITIES INCLUDED IN THE WATCH ARE THE ST LOUIS METRO AREA... CAPE GIRARDEAU...ST GENEVIEVE AND FARMINGTON. STRONG THUNDERSTORMS WERE MOVING ACROSS EAST CENTAL AND SOUTHEAST MISSOURI AT 1130 AM. THE CONDITIONS ARE SUCH THAT THESE STORMS ARE EXPECTED TO INTENSIFY AS THEY MOVE EAST INCREASING THE RISK OF SEVERE THUNDERSTORMS AND POSSIBLY TORNADOES. PEOPLE IN EAST CENTRAL AND SOUTHEAST MISSOURI SHOULD STAY INFORMED OF LOCAL WEATHER CONDITIONS EARLY THIS AFTERNOON. BE PREPARED TO MOVE TO A SAFE LOCATION IF SEVERE THUNDERSTORMS THREATEN YOU AREA. DLF
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 12:12 PM CST | Severe Thunderstorm Warning | LSX | Madison | 37 min |
| Nov 27, 12:21 PM CST | Severe Thunderstorm Warning | LSX | Montgomery | 54 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1994Every severe thunderstorm warning in 1994
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.