Alert archive / Missouri / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 48, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at May 5, 1991, 12:06 AM CDT for Douglas County, Missouri. It was in force for 19 min.
The area
The counties it named.
The facts
- Issued
- May 5, 1991, 12:06 AM CDT (05:06 UTC)
- Expired
- May 5, 1991, 12:25 AM CDT
- In force
- 19 min
- Issued by
- NWS Springfield, MO
- Area
- Whole counties
County Douglas County, MO
The nearest sounding before it
Springfield, MO (KUMN), launched 00:00Z, 5.1 hours before the alert went out and 116 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
- 2434 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1078 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 8.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 4, 6:58 PM CDT, 5 hours 8 minutes before
MOZ015-016-019-020-021-050045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 655 PM CDT SAT MAY 4 1991 ...A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR MUCH OF SOUTHWEST MISSOURI... RADAR AT 650 PM SHOWED NUMEROUS THUNDERSTORMS OVER NORTHEAST OKLAHOMA AND SOUTHEAST KANSAS. THE STORMS WERE MOVING NORTHEAST 35 MPH. THE THUNDERSTORMS HAD ENTERED WEST CENTRAL MISSOURI NORTH OF VERNON COUNTY. THE THUNDERSTORMS OVER NORTHEA*ST OKLAHOMA WILL MOVE INTO THE SOUTHWEST PART OF MISSOURI BY 800 PM. TORNADO WATCH NUMBER 276 IS IN EFFECT UNTIL MIDNIGHT FOR MUCH OF SOUTHWEST MISSOURI INCLUDING THE CITIES OF JOPLIN AND SPRINGFIELD. LEE
Special weather statement, May 4, 11:30 PM CDT, 36 minutes before
MOZ015-016-019-020-021-050530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 1130 PM CDT SAT MAY 5 1991 ...A LINE OF STRONG THUNDERSTORMS IS MOVING ACROSS GREENE COUNTY... RADAR AT 1125 PM INDICATED A LINE OF STRONG THUNDERSTORMS OVER WESTERN GREENE COUNTY MOVING NORTHEAST 20 MPH. THE LINE WILL MOVE ACROSS THE CITY OF SPRINGFIELD BY 1145 PM. THESE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...STRONG GUSTY WIND...DANGEROUS LIGHTNING...AND HAIL. A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHWEST AND SOUTH CENTRAL MISSOURI. PEOPLE SHOULD BE ALERT FOR LATER WEATHER BULLETINS CONCERNING THE STORMS AND BE PREPARED TO MOVE TO SAFETY IF A WARNING IS REQUIRED. LEE
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 7:50 PM CDT | Severe Thunderstorm Warning | SGF | McDonald | 55 min |
| May 4, 7:50 PM CDT | Severe Thunderstorm Warning | SGF | Vernon | 55 min |
| May 4, 8:47 PM CDT | Severe Thunderstorm Warning | SGF | Vernon | 28 min |
| May 4, 8:47 PM CDT | Severe Thunderstorm Warning | SGF | McDonald | 58 min |
| May 4, 9:45 PM CDT | Severe Thunderstorm Warning | SGF | McDonald, Newton | 60 min |
| May 4, 9:45 PM CDT | Severe Thunderstorm Warning | SGF | Barton, Jasper | 60 min |
| May 4, 10:17 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Lawrence | 58 min |
| May 4, 10:17 PM CDT | Severe Thunderstorm Warning | SGF | Polk | 58 min |
| May 4, 10:19 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Lawrence | 56 min |
| May 4, 10:19 PM CDT | Severe Thunderstorm Warning | SGF | Polk | 56 min |
| May 4, 11:34 PM CDT | Severe Thunderstorm Warning | SGF | Greene | 56 min |
| May 5, 12:06 AM CDT | Severe Thunderstorm Warning | SGF | Dallas, Webster | 69 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1991Every severe thunderstorm warning in 1991
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.