Alert archive / Missouri / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 82, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 17, 1995, 4:20 AM CDT for Washington County, Missouri. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- May 17, 1995, 4:20 AM CDT (09:20 UTC)
- Expired
- May 17, 1995, 5:00 AM CDT
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Washington County, MO
The radar
The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 09:26 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
Springfield, MO (KUMN), launched 00:00Z, 9.3 hours before the alert went out and 284 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
- 1137 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 170922 SVRSTL MOC221-171000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 420 AM CDT WED MAY 17 1995 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...WASHINGTON COUNTY AT 422 AM...WEAWTHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE WASHINGTON-CRAWFORD COUNTY LINE...ABOUT 15 MILES NORTHWEST OF POTOSI. THE STORM WAS MOVING EAST AT 40 MILES AN HOUR...AND WILL BE AFFECTING THE TOWNS OF RICHWOODS...OLD MINES...AND POTOSI BETWEEN 430 AND 5 AM. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. TRUETT/SHEA
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 17, 12:50 AM CDT, 3 hours 30 minutes before
MOZ055>58-68>70-170645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1247 AM CDT WED MAY 17 1995 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR BENTON AND HICKORY COUNTIES UNTIL 400 AM... ...A FLASH FLOOD WATCH IS IN EFFECT THROUGH WEDNESDAY MORNING... AT 1245 PM MOST OF THE SOUTH PART OF MISSOURI WAS FREE OF THUNDERSTORMS WITH MOST OF THE RAIN FALLING IN COUNTIES ALONG AND NORTH OF THE MISSOURI RIVER. ONE STRONG THUNDERSTORM HOWEVER WAS LOCATED 15 MILES SOUTHEAST OF SEDALIA NEAR FLORENCE. THE STORM WAS MOVING EAST AT 40 MPH AND WILL PRODUCE BRIEF HEAVY RAIN IN FLORENCE AND GLENSTEAD THROUGH 1 AM ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP OR MOVE INTO THE SOUTH PART OF CENTRAL MISSOURI DURING THE NIGHT. A FEW OF THE STORMS WILL HAVE THE POTENTIAL TO PRODUCE STRONG WINDS AND HAIL. FLOODING IS ALSO A THREAT SINCE THE GROUND IS SATURATED FROM RAIN WHICH FELL EARLIER TODAY. CENTRAL MISSOURI RESIDENTS SHOULD KEEP INFORMED OF CHANGING WEATHER CONDITIONS DURING THE NIGHT. ANYONE TRAVELLING OR LIVING IN FLOOD PRONE AREAS SHOULD BE ESPECIALLY CAREFULL SINCE FLOODING COULD OCCUR VERY QUICKLY IN OR NEAR THUNDERSTORMS. KENNEDY
Special weather statement, May 17, 1:28 AM CDT, 2 hours 52 minutes before
MOZ041-170730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 125 AM CDT WED MAY 17 1995 ...ANOTHER STRONG THUNDERSTORM MOVING INTO CENTRAL MISSOURI... AT 125 AM...WEATHER SERVICE DOPPLER RADAR INDICATED ANOTHER STRONG THUNDERSTORM MOVING INTO CENTRAL MISSOURI. THE STORM WAS ABOUT 30 MILES WEST OF COLUMBIA...AND WAS MOVING EAST AT 35 MILES AN HOUR. THIS STORM WILL PASS THROUGH THE COLUMBIA AREA BETWEEN 2 AND 230 AM. ANOTHER ROUND OF TORRENTIAL RAINS CAN BE EXPECTED WITH THE PASSAGE OF THIS STORM...ALONG WITH STRONG...GUSTY WINDS AND SOME HAIL. PEOPLE IN THE COLUMBIA AREA SHOULD REMAIN ALERT FOR FURTHER INTENSIFICATION OF THIS STORM. IN ADDITION...A FLASH FLOO\D WARNING CONTINUES FOR THE COLUMBIA AND BOONE COUNTY AREA UNTIL 515 THIS MORNING. TRUETT
Local storm report, May 17, 1:53 AM CDT, 2 hours 27 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
150 AM CDT WED MAY 17 1995
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
....COUNTY LOCATION....
645 PM VARIOUS MO WINDOWS BROKEN AND TREE
5/16/95 SHELBY LIMBS DOWN. RPTD BY
COUNTY SHERIFF
650 PM 2S SHELBYVILLE MO FOUR BARNS DAMAGED AND
5/16/95 SHELBY LARGE TREES DOWN. RPTD BY
COUNTY SHERIFF
720 PM ROCHEPORT MO SEVERAL LARGE TREES DOWN
5/16/95 BOONE BARN WAS DEMOLISHED
730 PM 2W COLUMBIA MO LARGE TREES LIMBS DOWN
5/16/95 BOONE RPTD BY COLUMBIA EOC
750 PM NEW LONDON MO LARGE TREES DOWN
5/16/95 RALLS RPTD BY COUNTY SHERIFF
805 PM FULTON MO LARGE TREES DOWN
5/16/95 CALLAWAY RPTD BY COUNTY SHERIFF
805 PM EAST/SOUTH OF QUINCY IL FUNNEL CLOUD - VARIOUS
5/16/95 ADAMS REPORTS THRU 815 PM
815 PM VARIOUS MO FLASH FLOODING THRU 11 PM
5/16/95 SHELBY WITH SEVERAL ROADS CLOSED
820 PM EAST HANNIBAL IL LARGE TREES DOWN
5/16/95 PIKE RPTD BY IL STATE POLICE
827 PM SOUTHERN PART MO FLASH FLOODING THRU 11 PM
5/16/95 KNOX WITH SEVERAL ROADS CLOSED
840 PM MONTGOMERY CITY MO LARGE TREES DOWN AND MINOR
5/16/95 MONTGOMERY STREET FLOODING
RPTD BY HAM RADIO SPOTTERS
855 PM WRIGHT CITY MO STREET FLOODING
5/16/95 WARREN RPTD BY HAM RADIO SPOTTERS
858 PM CHESTERFIELD MO WIND GUST OF 55 KNTS/63 MPH
5/16/95 ST LOUIS RPTD AT SPIRIT OF ST LOUIS
AIRPORT
902 PM CHESTERFIELD MO POWER LINES DOWN. RPTD BY
5/16/95 ST LOUIS CHESTERFIELD POLICE
920 PM LITCHFIELD IL FUNNEL CLOUD
5/16/95 MONTGOMERY RPTD BY IL STATE POLICE
920 PM VARIOUS CITIES MO MANY TREES AND POWER LINES
5/16/95 ST LOUIS DOWN. RPTD BY HAM RADIO
SPOTTERS
923 PM ALTON IL POWER LINES DOWN
5/16/95 MADISON RPTD BY HAM RADIO SPOTTERS
925 PM ST LOUIS MO POWER LINES AND OUTAGES
5/16/95 CITY RPTD BY LOCAL MEDIA
930 PM ST LOUIS MO NUMEROUS LARGE TREES DOWN
5/16/95 CITY RPTD BY STREET DEPT.
930 PM EAST ALTON IL 4 TO 5 INCH DIAMETER TREE
5/16/95 MADISON LIMBS DOWN. RPTD BY HAM
RADIO SPOTTERS
933 PM CLAYTON MO FLASH FLOODING WITH TREES
5/16/95 ST LOUIS AND POWER LINES DOWN. RPTD
BY HAM RADIO SPOTTERS
945 PM SWANSEA IL POWER LINES DOWN
5/16/95 ST CLAIR RPTD BY HAM RADIO SPOTTERS
955 PM SCOTT AFB IL LARGE TREES DOWN
5/16/95 ST CLAIR RPTD BY HAM RADIO SPOTTERS
955 PM BELLEVILLE IL POWER LINES DOWN
5/16/95 ST CLAIR
955 PM O'FALLON IL POWER LINES DOWN
5/16/95 ST CLAIR RPTD BY HAM RADIO SPOTTERS
958 PM EDWARDSVILLE IL LARGE TREE LIMBS BLOCKING
5/16/95 MADISON LANES ON HWY 159
RPTD BY HAM RADIO SPOTTERS
1005 PM FENTON MO HEAVY RAIN
5/16/95 ST LOUIS 1.8 INCHES IN AN HOUR
1005 PM MASCOUTAH IL ROOF COLLAPSED...POWER
5/16/95 ST CLAIR LINES DOWN AND TREES
BLOCKING ROADS. RPTD BY
HAM RADIO SPOTTERS
1006 PM MARINE IL POWER LINES DOWN
5/16/95 MADISON RPTD BY HAM RADIO SPOTTERS
1008 PM MASCOUTAH IL LARGE TREES DOWN...ROOF
5/16/95 ST CLAIR COLLAPSED AT APT.COMPLEX
RPTD BY HAM RADIO SPOTTERS
1015 PM BREESE IL POWER LINES DOWN
5/16/95 CLINTON RPTD BY COUNTY SHERIFF
1040 PM JENNINGS MO FLASH FLOODING AND SEWERS
5/16/95 ST LOUIS BACKING UP. RPTD BY COUNTY
OFFICIALS
SHEASpecial weather statement, May 17, 2:59 AM CDT, 1 hour 21 minutes before
MOZ055-170900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 258 AM CDT WED MAY 17 1995 ...THE SEVERE THUNDERSTORM WARNING FOR BENTON COUNTY HAS EXPIRED... ...THERE IS STILL A SEVERE THUNDERSTORM WATCH IN EFFECT... AT 0245 CDT RADAR INDICATED THE SEVERE THUNDERSTORM THAT WAS AFFECTING BENTON COUNTY HAS MOVED EAST. HOWEVER OTHER LESS INTENSE STORMS WILL CONTINUE TO PASS ACROSS SOUTH CENTRAL MISSOURI THROUGH WEDNESDAY. SHELDON &
Special weather statement, May 17, 3:30 AM CDT, 50 minutes before
ILZ075-080-074-170915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 328 AM CDT WED MAY 17 1995 ...STRONG THUNDERSTORMS MOVING THROUGH SOUTHWEST ILLINOIS... AT 325 AM...WEATHER SERVICE DOPPLER RADAR INDICATED A SMALL CLUSTER OF STRONG THUNDERSTORMS OVER SOUTHWEST ILLINOIS. THE STORMS EXTENDED FROM 15 MILES NORTHWEST OF MOUNT VERNON...TO JUST NORTHWEST OF PINCKNEYVILLE...AND WERE MOVING EAST AT 35 MILES AN HOUR. THE STORMS IN THIS NARROW LINE WILL BE PRODUCING BRIEF BUT VERY HEAVY DOWNPOURS...AND WIND GUSTS OF 30 TO 40 MILES AN HOUR...AS THEY MOVE THROUGH EASTERN WASHINGTON...JEFFERSON..AND NORTHERN PERRY COUNTIES IN ILLINOIS BETWEEN 325 AND 415 AM THIS MORNING. TRUETT
Special weather statement, May 17, 4:11 AM CDT, 9 minutes before
MOZ072-073-171000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 410 AM CDT WED MAY 17 1995 ...THUNDERSTORMS WITH HEAVY RAINS AND GUSTY WINDS MOVING THROUGH CRAWFORD COUNTY... AT 410 AM...WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH HEAVY RAINS AND GUSTY WINDS OVER CRAWFORD COUNTY...IN THE CUBA AND STEELEVILLE AREAS. THIS STORM WAS MOVING EAST AT 35 MILES AN HOUR...AND WILL MOVE INTO WASHINGTON COUNTY BETWEEN 415 AND 5 AM....AND REACH THE POTOSI AREA BETWEEN 430 AND 445 PM. 1 TO 2 INCHES OF RAIN WILL OCCUR IN A SHORT PERIOD OF TIME AS THIS STORM PASSES THROUGH AN AREA...AND WIND GUSTS OF 40 TO 50 MILES AN HOUR ARE ALSO POSSIBLE. TRUETT/SHEA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 7:36 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 54 min |
| May 16, 7:47 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 43 min |
| May 16, 8:11 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 49 min |
| May 16, 9:01 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 44 min |
| May 16, 11:11 PM CDT | Severe Thunderstorm Warning | LSX | Boone | 49 min |
| May 17, 12:15 AM CDT | Flash Flood Warning | LSX | Boone, Callaway, Cole, Moniteau | 5 hr |
| May 17, 12:15 AM CDT | Flash Flood Warning | LSX | Audrain, Montgomery | 5 hr |
| May 17, 1:53 AM CDT | Severe Thunderstorm Warning | LSX | Moniteau | 37 min |
| May 17, 2:22 AM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 6 hr |
| May 17, 2:22 AM CDT | Flash Flood Warning | LSX | Jefferson | 6 hr |
| May 17, 2:22 AM CDT | Flash Flood Warning | LSX | Saint Charles | 6 hr |
| May 17, 2:22 AM CDT | Flash Flood Warning | LSX | Franklin, Lincoln, Warren | 6 hr |
| May 17, 4:40 AM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 50 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 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.