Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 297, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Aug 10, 1998, 9:33 PM CDT for Howell County, Missouri. It was in force for 47 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
- Aug 10, 1998, 9:33 PM CDT (02:33 UTC)
- Expired
- Aug 10, 1998, 10:20 PM CDT
- In force
- 47 min
- Issued by
- NWS Springfield, MO
- Area
- Whole counties
County Howell County, MO
The radar
The Springfield radar (KSGF), 144 km from the middle of the area, began a volume at 02:36 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 10, 9:55 PM CDT | Hail 0.75 | West Plains, 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.6 hours before the alert went out and 171 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
- 1170 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1409 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- -46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 2:05 PM CDT, 7 hours 28 minutes earlier.
Area forecast discussion, Aug 10, 2:05 PM CDT, 7 hours 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 205 PM CDT MON AUG 10 1998 1ST PD FCST CONCERNS...WHERE WL PCPN FALL/TEMPERATURES. SHRA/TSRA FORMING OVR NE OK/SE KS ATTM DUE TO SFC LOW OVR NE OK. A TROF OF LOW PRESSURE ALSO CUTS THE STATE IN HALF FROM JLN TO JUST N OF STL. ETA LOOKS A LITTLE STRONG WITH VORT MAX OVR KS AND PCPN AMOUNTS. WL LEAN TOWARDS WEAKER NGM. MODELS SHOWING GOOD VV AROUND 00Z THIS AFTERNOON. LOOKS LIKE PCPN STARTING IN SE KS AND SPREAD OVR THE REST OF THE AREA OVERNIGHT. WL GO WITH A 50 POP FOR ALL CWA AND FOR ENTIRE 1ST PD. GARP TIME SECTIONS SHOWING PCPN ENDING AFTER MIDNIGHT IN WRN ZONES WITH MOST OF PCPN OUT OF CWA BY NOON. 94Q SHOWS HEAVIEST RA OVR SE KS AND EXTREME SW MO BY TUESDAY MORNING. TEMPERATURES WILL DEPEND ON CLOUD COVER...SO WL LEAN TOWARDS THE WARMER FWC. 1ST PD RECOMMENDATIONS (COORDINATION PURPOSES ONLY) SE KS/JLN...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOW AROUND 70. LIGHT AND VARIABLE WIND. SGF/AIZ...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOW IN THE MID TO UPPER 60S. LIGHT AND VARIABLE WIND. UNO/VIH...PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOW NEAR 70. LIGHT AND VARIABLE WIND. SGF BB 067/085 066/087 066 07532 JLN BB 069/087 068/089 068 07532 SS
In the hours before
Special weather statement, Aug 10, 7:23 PM CDT, 2 hours 10 minutes before
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</html>Special weather statement, Aug 10, 7:23 PM CDT, 2 hours 10 minutes before
MOZ055>058-069>071-082>083-097>098-106-110215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 723 PM CDT MON AUG 10 1998 THE STATEMENT BELOW IS VALID FOR THE FOLLOWING COUNTIES... ...IN MISSOURI... BENTON CAMDEN DENT HOWELL MARIES MILLER MORGAN OREGON PHELPS PULASKI SHANNON TEXAS INCLUDING THE TOWNS OF... ROLLA CAMDENTON WEST PLAINS FORT LEONARD WOOD SALEM WARSAW VERSAILLES A FLASH FLOOD WARNING CONTINUES UNTIL 1045 PM FOR PHELPS... OREGON AND HOWELL COUNTIES. AT 730 PM...DOPPLER RADAR CONTINUED TO INDICATE SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM THE LAKE OF THE OZARKS EAST AND SOUTHEAST THROUGH THE TOWNS OF ROLLA AND ALTON. RAINFALL AMOUNTS HAVE BEEN EXTENSIVE OVER PHELPS COUNTY SINCE 5 PM. RADAR HAS ESTIMATED THAT BETWEEN THREE AND FOUR INCHES FELL AROUND THE COMMUNITY OF ROLLA. ALSO RAINFALL AMOUNTS OF BETWEEN ONE AND THREE INCHES HAVE FALLEN ACROSS EXTREME SOUTHERN HOWELL AND SOUTHERN OREGON COUNTIES OF SOUTH CENTRAL MISSOURI. BE CAUTION WHEN DRIVING ACROSS HIGHWAY JJ FROM WEST PLAINS TO THE ARKANSAS BORDER. THIS ROAD HISTORICALLY FLOODS AND WILL LIKELY EXPERIENCE FLASH FLOODING THROUGH 1045 PM. RAINFALL WILL CONTINUE ACROSS PORTIONS OF PHELPS AND MARIES COUNTIES WITH AN ADDITIONAL ONE TO TWO INCHE S OF RAIN MAY FALL BEFORE 9 PM. THE RAINFALL HAS DIMINISHED ACROSS OREGON AND HOWELL COUNTIES... HOWEVER RUNOFF WILL CONTINUE THROUGH 11 PM CAUSING ADDITIONAL PROBLEMS. TAGGART
Local storm report, Aug 10, 7:54 PM CDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MISSOURI
754 PM CDT MON AUG 10 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0525 PM WEST PLAINS MO .88 INCH HAIL
08/10/98 HOWELL
0540 PM ROLLA MO .75 INCH HAIL
08/10/98 PHELPS
0610 PM THAYER MO .88 INCH HAIL
08/10/98 OREGON 70 MPH WINDS PRODUCED
EXTENSIVE DAMAGE IN THE
THAYER AREA. NUMEROUS
TREES AND POWER LINES
BLOWN DOWN.
0700 PM 7 NE MYRTLE MO WIND DAMAGE
08/10/98 OREGON LARGE TREES AND POWER
LINES DOWN NEAR THE
INTERSECTION OF HIGHWAY
UU AND 142.
TAGGARTSpecial weather statement, Aug 10, 8:40 PM CDT, 53 minutes before
MOZ055>058-067>071-080>083-092-097>098-106-110345- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 840 PM CDT MON AUG 10 1998 THE STATEMENT BELOW IS VALID FOR THE FOLLOWING COUNTIES... ...IN MISSOURI... BENTON CAMDEN DALLAS DENT HICKORY HOWELL LACLEDE MARIES MILLER MORGAN OREGON PHELPS PULASKI SHANNON ST. CLAIR TEXAS WRIGHT INCLUDING THE TOWNS OF... ROLLA LEBANON CAMDENTON WEST PLAINS FORT LEONARD WOOD SALEM WARSAW VERSAILLES TUSCUMBIA ...A FLASH FLOOD WARNING CONTINUES UNTIL 1045 PM FOR HOWELL... OREGON AND PHELPS COUNTIES... AT 845 PM... RADAR CONTINUED TO INDICATE A LINE OF THUNDERSTORMS EXTENDING FROM OSCEOLA TO LEBANON TO NORTHERN PARTS OF SHANNON COUNTY AROUND THE MONTAUK STATE PARK AREA. THIS ACTIVITY WAS MOVING TO THE EAST SOUTHEAST AT 15 MPH AND WILL CONTINUE ALONG THE SAME AREAS AND POINTS SOUTH THROUGH 11 PM. RAINFALL ESTIMATES CONTINUED TO INDICATE AMOUNTS BETWEEN ONE HALF TO ONE INCHES PER HOUR IN PORTIONS OF SOUTHERN MISSOURI... MAINLY IN DENT... TEXAS AND SHANNON COUNTIES OF SOUTH CENTRAL MISSOURI. EVEN THOUGH THE RAINFALL HAS ENDED IN PHELPS... HOWELL AND OREGON COUNTIES... RUNOFF FROM TWO TO FOUR INCHES OF RAIN SINCE 5 PM WILL CONTINUE THE THREAT OF FLOODING. ADDITIONALLY... RAINFALL IS SLOWLY MOVING TO THE EAST SOUTHEAST WHICH MAY CAUSE ADDITIONAL FLOODING OVERNIGHT IN PORTIONS OF OREGON AND HOWELL COUNTIES AS THE RAINFALL BEGINS AFTER MIDNIGHT. BECAUSE OF THE HILLY TERRAIN ACROSS THE OZARKS...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. TAGGART
Special weather statement, Aug 10, 8:40 PM CDT, 53 minutes before
MOZ055>058-067>071-080>083-092-097>098-106-110345- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 840 PM CDT MON AUG 10 1998 THE STATEMENT BELOW IS VALID FOR THE FOLLOWING COUNTIES... ...IN MISSOURI... BENTON CAMDEN DALLAS DENT HICKORY HOWELL LACLEDE MARIES MILLER MORGAN OREGON PHELPS PULASKI SHANNON ST. CLAIR TEXAS WRIGHT INCLUDING THE TOWNS OF... ROLLA LEBANON CAMDENTON WEST PLAINS FORT LEONARD WOOD SALEM WARSAW VERSAILLES TUSCUMBIA ...A FLASH FLOOD WARNING CONTINUES UNTIL 1045 PM FOR HOWELL... OREGON AND PHELPS COUNTIES... AT 845 PM... RADAR CONTINUED TO INDICATE A LINE OF THUNDERSTORMS EXTENDING FROM OSCEOLA TO LEBANON TO NORTHERN PARTS OF SHANNON COUNTY AROUND THE MONTAUK STATE PARK AREA. THIS ACTIVITY WAS MOVING TO THE EAST SOUTHEAST AT 15 MPH AND WILL CONTINUE ALONG THE SAME AREAS AND POINTS SOUTH THROUGH 11 PM. RAINFALL ESTIMATES CONTINUED TO INDICATE AMOUNTS BETWEEN ONE HALF TO ONE INCHES PER HOUR IN PORTIONS OF SOUTHERN MISSOURI... MAINLY IN DENT... TEXAS AND SHANNON COUNTIES OF SOUTH CENTRAL MISSOURI. EVEN THOUGH THE RAINFALL HAS ENDED IN PHELPS... HOWELL AND OREGON COUNTIES... RUNOFF FROM TWO TO FOUR INCHES OF RAIN SINCE 5 PM WILL CONTINUE THE THREAT OF FLOODING. ADDITIONALLY... RAINFALL IS SLOWLY MOVING TO THE EAST SOUTHEAST WHICH MAY CAUSE ADDITIONAL FLOODING OVERNIGHT IN PORTIONS OF OREGON AND HOWELL COUNTIES AS THE RAINFALL BEGINS AFTER MIDNIGHT. BECAUSE OF THE HILLY TERRAIN ACROSS THE OZARKS...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. TAGGART
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 7:07 PM CDT | Severe Thunderstorm Warning | SGF | Phelps, Pulaski | 53 min |
| Aug 10, 10:43 PM CDT | Flash Flood Warning | SGF | Howell, Oregon | 4 hr |
| Aug 11, 11:41 AM CDT | Flash Flood Warning | SGF | Howell, Texas | 3 hr |
| Aug 11, 12:45 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 35 min |
| Aug 11, 2:34 PM CDT | Flash Flood Warning | SGF | Howell | 3 hr |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.