Alert archive / Missouri / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 36, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 24, 1989, 9:12 AM CDT for Adair County, Knox County, Missouri. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 24, 1989, 9:12 AM CDT (14:12 UTC)
- Expired
- May 24, 1989, 10:00 AM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adair County, MO, Knox County, MO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 24, 9:25 AM CDT | Hail 0.75 | Adair, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Peoria Regional, IL (KPIA), launched 12:00Z, 2.2 hours before the alert went out and 242 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
- 691 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 241414
SVRSTL
MOC001-103-241500-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
912 AM CDT WED MAY 24 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1000 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF
NORTHEAST MISSOURI...
ADAIR AND KNOX
AT 910 AM CDT A SEVERE THUNDERSTORM WAS NEAR KIRKSVILLE MOVING TO
THE EAST NORTHEAST AT 25 MPH. HALF INCH TO THREE QUARTER INCH
HAIL WAS REPORTED JUST SOUTHWEST OF KIRKSVILLE AT 910 AM.
REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WIND IN EXCESS
OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING..AND HEAVY RAIN THAT CAN
QUICKLY FLOOD LOW LYING AREAS.
.
PLEASE REPORT ANY SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY
OR THE NATIONAL WEATHER SERVICE.
MCCARTHYWhat 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 24, 3:44 AM CDT, 5 hours 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 335 AM CDT WED MAY 24 1989 ...SEVERE THUNDERSTORM WATCH FOR NORTHEAST MISSOURI... A CLUSTER OF VERY STRONG..AND POTENTIALLY SEVERE..THUNDERSTORMS WERE LOCATED ACROSS SOUTHEAST IOWA AND WERE MOVING SOUTHEAST AT 30 MPH AS OF 330 AM. THESE STORMS COULD MOVE ACROSS PORTIONS OF SCHUYLER..SCOTLAND AND CLARK COUNTIES OF NORTHEAST MISSOURI BETWEEN 4 AND 6AM THIS MORNING AND PRODUCE HIGH WINDS OR HAIL. PERSONS IN THESE COUNTIES SHOULD KEEP ALERT AND LISTEN FOR POSSIBLE WARNINGS. FELDT
Special weather statement, May 24, 4:29 AM CDT, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAINT LOUIS, MO 430 AM CDT WED MAY 24 1989 ...POTENTIAL FOR SEVERE WEATHER NEXT 24 HOURS... ...MISSOURI SEVERE WEATHER OUTLOOK... THERE IS A HIGH RISK FOR SEVERE THUNDERSTORMS AND POSSIBLY TORNADOES ACROSS THE NORTHERN THIRD OF MISSOURI TODAY AND TONIGHT. THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS ACROSS THE REMAINDER OF THE STATE AS WELL. VERY WARM..MOIST AND UNSTABLE AIR WAS PUSHING INTO MISSSOURI EARLY THIS MORNING ON STRONG SOUTHERLY WINDS. TEMPERATURES TODAY WILL REACH WELL INTO THE 80S WHILE DEW POINTS APPROACH 70 DEGREES. THIS WILL SET THE STAGE FOR SEVERE THUNDERSTORMS. A COLD FRONT WILL PUSH OUT OF THE PLAINS AND REACH THE MISSOURI BORDER THIS EVENING. ALONG THIS CONTRASTING LINE BETWEEN HOT MOIST AIR AND COOLER DRIER AIR...SEVERE THUNDERSTORMS ARE FORECAST TO DEVELOP. AS OF 430AM...SEVERE THUNDERSTORMS WERE ALREADY INDICATED IN THE FAR NORTHEAST TIP OF MISSOURI. ALTHOUGH THESE STORMS ARE SEPERATE FROM THE SEVERE STORMS EXPECTED LATER TODAY..THEY ARE AN INDICATION OF THE INSTABILITY IN THE ATMOSPHERE. A LINE OF SEVERE THUNDERSTORMS IS FORECAST TO DEVELOP LATER TODAY IN THE PLAINS AND REACH NORTHWEST MISSOURI THIS EVENING. THE VERY STRONG WINDS AT THE EARTHS SURFACE AS WELL AS A FAVORABLE POSITION OF THE JET STREAM INDICATE A LIKELYHOOD FOR TORNADOES WITH A FEW OF THESE STORMS. ONCE THE MAIN SQUALL LINE FORMS IT SHOULD CONTINUE TO MOVE RAPLDLY EASTWARD THROUGH THE NIGHT AND EFFECT EASTERN SECTIONS OF THE STATE WELL INTO THE NIGHT. KEEP INFORMED ON THIS DEVELOPING WEATHER SITUATION BY LISTENING FOR ADDITIONAL STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE THROUGHOUT THE DAY. FELDT
Special weather statement, May 24, 4:54 AM CDT, 4 hours 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAINT LOUIS, MO 450 AM CDT WED MAY 24 1989 ...SEVERE THUNDERSTORM WATCH NORTHEAST MISSOURI UNTIL 7AM... AT 450 AM..A LINE OF VERY STRONG THUNDERSTORMS WAS LOCATED ACROSS THE NORTHERN PORTIONS OF SCHUYLER AND SCOTLAND COUNTIES. THE STRONGEST STORM WAS LOCATED JUST NORTH OF MEMPHIS IN SCOTLAND COUNTY. THESE STORMS ARE PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING.. AS WELL AS A CHANCE FOR HAIL OR HIGH WINDS. BETWEEN 5 AND 6AM...VERY STRONG THUNDERSTORMS WILL MOVE ACROSS THE REMAINDER OF SCHUYLER..SCOTLAND AND CLARK COUNTIES AND INTO PARTS OF ADAIR AND KNOX COUNTIES. PERSONS IN THESE COUNTIES SHOULD KEEP ALERT FOR POSSIBLE SEVERE WEATHER. FELDT
Special weather statement, May 24, 6:53 AM CDT, 2 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAINT LOUIS, MO 700 AM CDT WED MAY 24 1989 ...SEVERE THUNDERSTORM WATCH EXPIRES... SEVERE THUNDERSTORM WATCH NO 311 WILL EXPIRE AT 7AM. eONE REMAINING STRONG THUNDERSTORM WAS INDICATED IN SOUTHEAST IOWA..AND IT COULD MOVE ACROSS CLARK COUNTY MISSOURI BEFORE 8AM.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 4:06 AM CDT | Severe Thunderstorm Warning | LSX | Clark, Scotland | 69 min |
| May 24, 4:06 AM CDT | Severe Thunderstorm Warning | LSX | Schuyler | 69 min |
| May 24, 10:09 AM CDT | Severe Thunderstorm Warning | LSX | Macon | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1989Every severe thunderstorm warning in 1989
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.