Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 324, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Sep 30, 1998, 2:13 AM CDT for Dade County, Missouri. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 30, 1998, 2:13 AM CDT (07:13 UTC)
- Expired
- Sep 30, 1998, 3:00 AM CDT
- In force
- 47 min
- Issued by
- NWS Springfield, MO
- Area
- Whole counties
County Dade County, MO
The radar
The Springfield radar (KSGF), 45 km from the middle of the area, began a volume at 07:14 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 (KSGF), launched 00:00Z, 7.2 hours before the alert went out and 59 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
- 1622 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSGF 300713 RRA SVRSGF MOC057-300800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SPRINGFIELD MO 213 AM CDT WED SEP 30 1998 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DADE COUNTY IN SOUTHWESTERN MISSOURI * UNTIL 300 AM CDT * AT 212 AM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL THE SIZE OF PENNIES. THIS STORM WAS LOCATED FROM A MILFORD TO GOLDEN CITY LINE OR 18 MILES WEST OF GREENFIELD AND WAS MOVING EAST-SOUTHEAST 30 MPH. * THE SEVERE THUNDERSTORM(S) WILL BE NEAR... SYLVANIA BY 220 AM LOCKWOOD BY 230 AM GREENFIE8LD BY 240 AM IN ADDITION TO DAMAGING WINDS AND/OR LARGE HAIL...THESE STORMS ARE PRODUCING TORRENTIAL RAINFALL. FLASH FLOODING MAY OCCUR WITH LITTLE OR NO ADVANCED NOTICE. SEEK SHELTER NOW...AWAY FROM FLOOD PRONE AREAS. CR/AF
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.
NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 29, 2:45 PM CDT, 11 hours 28 minutes earlier.
Area forecast discussion, Sep 29, 2:45 PM CDT, 11 hours 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 245 PM CDT TUE SEP 29 1998 THE CURRENT SFC ANALYSIS SHOWS A FRONTAL BOUNDARY EXTENDING FROM SOUTHWEST IOWA INTO NORTHERN KANSAS. THIS BOUNDARY IS EXPECTED TO SAG SOUTH INTO CNTRL MO LATER TODAY. THE 850 MB THETA-E AXIS IS EXPECTED JUST SOUTH OF THE FRONTAL BOUNDARY ORIENTED ALONG AN EAST-WEST AXIS OVER THE AREA. WITH THE HEATING OF THE DAY...HIGH INSTABILITIES ARE EXPECTED WITH CAPES OF AROUND 3000 J/KG POSSIBLE. SOME LOW LVL MSTR CONVERGENCE IS EXPECTED ALONG THE FRONTAL BOUNDARY LATER TODAY AND TONIGHT WHICH IN CONJUNCTION WITH EXPECTED LOW LVL MSTR AND INSTABILITY SHOULD PROVIDE A CHANCE FOR AT LEAST SCATTERED THUNDERSTORMS. THUNDERSTORMS CURRENTLY OVR NORTH CNTRL KANSAS HAVE DEVELOPED ALONG THE FRONTAL BOUNDARY. FEEL THAT ADDITIONAL THUNDERSTORM DEVELOPMENT IS POSSIBLE WEST AND NORTHWEST OF OUR FORECAST AREA TODAY AND THAT FAVORABLE STEERING WINDS MAY BRING THESE STORMS INTO OUR FORECAST AREA LATER TONIGHT. THE FRONTAL BOUNDARY IS EXPECTED TO MOVE BACK NORTH LATER TONIGHT AND WEDNESDAY MORNING...HOWEVER AS THE UPR RIDGE BUILDS INTO THE NORTHERN HIGH PLAINS ON WEDNESDAY...ASSOCIATED SFC PRESSURE RISES WILL PUSH THE COLD FRONT COMPLETELY THROUGH THE FORECAST AREA WEDNESDAY EVENING. WIDELY SCATTERED TO SCATTERED THUNDERSTORMS POSSIBLE ALONG THE FRONTAL BOUNDARY THROUGH THE PERIOD. MUCH COOLER TEMPS EXPECTED TO MOVE INTO THE AREA WEDNESDAY NIGHT WITH HIGH TEMPS POSSIBLY 20 DEGREES COOLER ON THURSDAY OVR THE AREA. EXTENDED... THE MRF STILL PROGS THE UPR LOW OF THE SOUTHWEST UNITED STATES TO MOVE INTO THE CENTRAL PLAINS FRIDAY INTO SATURDAY. THUS...WILL CONTINUE WITH CHANCE POPS IN THE EXTENDED. RECOMMENDATIONS (FOR COORDINATION PURPOSES ONLY) CENTRAL MO... .TONIGHT...PARTLY CLOUDY WITH A 30 SCATTERED SHOWERS OR THUNDERSTORMS. LOW 60 TO 65. LIGHT SOUTHWEST WIND. THE CHANCE OF RAIN 30 PERCENT. SE KS...SW EXTREME SW MO...SOUTH CENTRAL MO .TONIGHT...PARTLY CLOUDY WITH A 30 SCATTERED SHOWERS OR THUNDERSTORMS. LOW 65 TO 70. LIGHT SOUTHWEST WIND. THE CHANCE OF RAIN 30 PERCENT. CCF SGF BB 066/089 055/066 053 10333 JLN BB 066/088 059/070 055 10333 VESPER
In the hours before
Special weather statement, Sep 29, 8:55 PM CDT, 5 hours 18 minutes before
KSZ073-097-101-300245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 855 PM CDT TUE SEP 29 1998 A SEVERE THUNDERSTORM WATCH FOR THE FOLLOWING COUNTIES UNTIL 3AM... ...IN KANSAS... BOURBON CHEROKEE CRAWFORD INCLUDING THE TOWNS OF... PITTSBURG FORT SCOTT COLUMBUS SEVERE THUNDERSTORM WATCH NUMBER 851 HAS BEEN REPLACED BY SEVERE THUNDERSTORM WATCH NUMBER 853 UNTIL 3 AM. A STATIONARY FRONT WILL INTERACT WITH STRONG LOW LEVEL WINDS TO PRODUCE STRONG TO SEVERE THUNDERSTORMS OVER MOST OF CENTRAL AND EASTERN KANSAS INTO THE EARLY MORNING HOURS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF DANGEROUS THUNDERSTORMS IN AND NEAR THE WATCH AREA. SEVERE THUNDERSTORMS CONTAIN DAMAGING WINDS...LARGE HAIL...AND SOMETIMES TORNADOES. SHUMWAY
Special weather statement, Sep 29, 8:55 PM CDT, 5 hours 18 minutes before
KSZ073-097-101-300245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 855 PM CDT TUE SEP 29 1998 A SEVERE THUNDERSTORM WATCH FOR THE FOLLOWING COUNTIES UNTIL 3AM... ...IN KANSAS... BOURBON CHEROKEE CRAWFORD INCLUDING THE TOWNS OF... PITTSBURG FORT SCOTT COLUMBUS SEVERE THUNDERSTORM WATCH NUMBER 851 HAS BEEN REPLACED BY SEVERE THUNDERSTORM WATCH NUMBER 853 UNTIL 3 AM. A STATIONARY FRONT WILL INTERACT WITH STRONG LOW LEVEL WINDS TO PRODUCE STRONG TO SEVERE THUNDERSTORMS OVER MOST OF CENTRAL AND EASTERN KANSAS INTO THE EARLY MORNING HOURS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF DANGEROUS THUNDERSTORMS IN AND NEAR THE WATCH AREA. SEVERE THUNDERSTORMS CONTAIN DAMAGING WINDS...LARGE HAIL...AND SOMETIMES TORNADOES. SHUMWAY
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 1:36 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Vernon | 49 min |
| Sep 30, 2:39 AM CDT | Severe Thunderstorm Warning | SGF | Lawrence | 46 min |
| Sep 30, 3:22 AM CDT | Severe Thunderstorm Warning | SGF | Christian, Stone | 48 min |
| Sep 30, 3:43 AM CDT | Severe Thunderstorm Warning | SGF | Maries, Miller | 67 min |
| Sep 30, 4:07 AM CDT | Flash Flood Warning | SGF | Barton, Dade | 3 hr |
| Sep 30, 4:17 AM CDT | Flash Flood Warning | SGF | Maries, Miller | 4 hr |
| Sep 30, 4:49 AM CDT | Severe Thunderstorm Warning | SGF | Phelps | 66 min |
| Sep 30, 10:21 AM CDT | Severe Thunderstorm Warning | SGF | Dallas, Greene, Webster | 34 min |
| Sep 30, 10:55 AM CDT | Severe Thunderstorm Warning | SGF | Webster, Wright | 65 min |
| Sep 30, 11:19 AM CDT | Severe Thunderstorm Warning | SGF | Douglas | 56 min |
| Sep 30, 11:41 AM CDT | Severe Thunderstorm Warning | SGF | Texas | 49 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1998Every severe thunderstorm warning in 1998
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.