Alert archive / Missouri / Flash Flood Warnings in 1998
Flash Flood Warning 233, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at Aug 11, 1998, 2:34 PM CDT for Howell County, Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 11, 1998, 2:34 PM CDT (19:34 UTC)
- Expired
- Aug 11, 1998, 6:00 PM CDT
- In force
- 3 hr
- 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 19:36 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.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 7.6 hours before the alert went out and 278 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
- 267 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 1851 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSGF 111934 FFWSGF MOC091-112300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SPRINGFIELD MO 234 PM CDT TUE AUG 11 1998 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * FLASH FLOOD WARNING FOR... HOWELL COUNTY IN SOUTH CENTRAL MISSOURI * UNTIL 600 PM CDT * AT 230 PM LOCAL LAW ENFORCEMENT REPORTED FLOODING OVER LOW WATER CROSSINGS AND SMALL CREEKS IN THE WEST PLAINS AREA. * FLOODING WILL CONTINUE IN THE WEST PLAINS AREA THROUGH MUCH OF THE AFTERNOON AS RUNOFF CONTINUES TO FLOW INTO SMALL CREEKS AND LOW WATER CROSSINGS. FLOODING IS LIKELY ALONG BENNETT AND MYATT CREEKS AND ALONG THE SOUTH FORK SPRING RIVER. BECAUSE OF THE HILLY TERRAIN ACROSS THEl OZARKS...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY FLOODED. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. SHUMWAY/TERRY
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Aug 11, 2:15 AM CDT, 12 hours 19 minutes earlier.
Area forecast discussion, Aug 11, 2:15 AM CDT, 12 hours 19 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 215 AM CDT TUE AUG 11 1998 NOT MUCH PCPN REMAINING FROM LAST EVE MCS ACROSS S CNTRL MO...EXCEPT OUTFLOW BOUNDARIES. SHRTWV BEEN TRACKING PAST COUPLE OF NIGHTS HARD TO PICK OUT ON WV IMAGERY DUE TO CONVECTIVE CLOUD COVER. CLOUD COVER THINNED YDA AND ALLOWED FOR TEMPS TO REACH THE UPPER 80S ACROSS MOST OF CWA. UPR LVL RIDGE REMAINS TO THE W KEEPING US IN NW FLOW PATTERN. SFC ANALYSIS HAS TROF FROM SW CORNER OF MO INTO LAKE OF THE OZARKS REGION WITH CDFNT FROM NEAR KANSAS CITY TO QUINCY. KSGF WAS SHOWING STORMS FORMING ACROSS HENRY/BATES COUNTY AND HAVE BEEN REGENERATING TO THE S AND W DURING THE PAST HOUR AND A HALF. IR SATELLITE SHOWS COOLING TOPS IN THIS AREA AS WELL. MAIN FCST FOCUS WILL BE WITH TSRA CHANCES WITH NW FLOW ALOFT CONTINUING AND BRINGING CURRENT SHRTWV ACROSS S MO TDA AND NEXT WV INTO CNTRL PLAINS DURING LATER PDS. TEMPS WILL ALSO BE TRICKY TDA WITH CLOUD COVER REMAINING FROM CONVECTION. WITH NW FLOW EXPECTED TO CONTINUE...LOOK FOR CDFNT TO ADVANCE SE THROUGH MUCH OF THE CWA BY 00Z. MUCH DRIER AIR INDICATED FROM 06Z SFC ANALYSIS BEHIND THE FRONT ACROSS N MO/IA. CONTINUING TO USE ETA AS GUIDANCE AS IN THE PAST COUPLE OF SHIFTS. ETA AFTERNOON CAPES OF 2-3K J/KG ARE PROJECTED ACROSS CNTRL S MO INTO JUICY AIR WITH CDFNT/SHRTWV IN THE AREA AS WELL. WILL KEEP 40 POPS ACROSS ALL BUT MY NE COUNTIES WHICH WILL PUT A 30 POP IN. WOULD LIKE TO MAINTAIN A 30 POP FROM BRANSON TO WEST PLAINS TONIGHT...OTHERWISE REMAINDER OF CWA SHOULD GO PARTLY CLOUDY. HAVE GONE FROM OVERDOING TEMPS TO UNDER-CUTTING TEMPS PAST TWO NIGHTS. CLOUD COVER FROM CONVECTION LOOKS THICKER ACROSS CWA THAN YDA AT THIS TIME AND SHOULD HINDER TEMP RISE MORE SO THAN YDA. WILL GO CLOSER TO THE COOLER FAN/ETA 2M TEMPS TDA. RECOMMENDATIONS FOR TDA... SGF/JLN/FT SCOTT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGH IN THE MID 80S. NORTH WIND 5 TO 10 MPH. BRANSON/UNO/EMINENCE...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGH IN THE MID 80S. WIND BECOMING NORTH AT 5 TO 10 MPH. AIZ/VIH...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGH IN THE MID 80S. NORTH WIND AROUND 10 MPH. CCF SGF EB 086/065 087/064 088 05422 JLN EB 086/065 088/065 090 05422 LINDENBERG
In the hours before
Special weather statement, Aug 11, 1:00 PM CDT, 1 hour 34 minutes before
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-121200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPRINGFIELD MO 100 PM CDT TUE AUG 11 1998 THE STATEMENT BELOW IS VALID FOR THE FOLLOWING COUNTIES... ...IN KANSAS... BOURBON CHEROKEE CRAWFORD ...IN MISSOURI... BARRY BARTON BENTON CAMDEN CEDAR CHRISTIAN DADE DALLAS DENT DOUGLAS GREENE HICKORY HOWELL JASPER LACLEDE LAWRENCE MARIES MCDONALD MILLER MORGAN NEWTON OREGON OZARK PHELPS POLK PULASKI SHANNON ST. CLAIR STONE TANEY TEXAS VERNON WEBSTER WRIGHT INCLUDING THE TOWNS OF... PITTSBURG ROLLA LEBANON JOPLIN SPRINGFIELD BRANSON FORT SCOTT NEVADA CAMDENTON NEOSHO WEST PLAINS FORT LEONARD WOOD LAMAR BOLIVAR SALEM MARSHFIELD ...CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING... A WEAK COLD FRONT EXTENDED OVER SOUTHERN MISSOURI FROM LOW PRESSURE IN SOUTHEAST MISSOURI. THIS FRONT WILL BE THE FOCUS FOR SCATTERED SHOWERS AND THUNDERSTORMS. THE BEST CHANCE OF PRECIPITATION WILL BE EAST OF A LINE FROM LAKE OF THE OZARKS TO SPRINGFIELD. MOST THUNDERSTORM ACTIVITY SHOULD REMAIN BELOW SEVERE LIMITS...HOWEVER A FEW STORMS COULD BRIEFLY REACH SEVERE LIMITS. THE MAIN THREAT FROM ANY THUNDERSTORM DEVELOP WILL BE HEAVY RAIN. DUE TO THE SLOW MOVEMENT OF THESE STORMS...LOCALIZED FLOODING WILL BE POSSIBLE. SPOTTER AND EMERGENCY MANAGER ACTIVATION WILL NOT BE NEEDED FOR THE REST OF TODAY AND INTO WEDNESDAY MORNING. SHUMWAY
Special weather statement, Aug 11, 1:59 PM CDT, 35 minutes before
MOZ058-070>071-081>083-091>092-095>098-101>106-112000- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 159 PM CDT TUE AUG 11 1998 THE STATEMENT BELOW IS VALID FOR THE FOLLOWING COUNTIES... ...IN MISSOURI... BARRY CHRISTIAN DENT DOUGLAS HOWELL LACLEDE MARIES MCDONALD OREGON OZARK PHELPS PULASKI SHANNON STONE TANEY TEXAS WEBSTER WRIGHT INCLUDING THE TOWNS OF... ROLLA LEBANON BRANSON WEST PLAINS FORT LEONARD WOOD SALEM MARSHFIELD OZARK MONETT ...A FLASH FLOOD WARNING CONTINUES THROUGH 3 PM FOR SOUTHERN TEXAS AND HOWELL COUNTIES OF SOUTH CENTRAL MISSOURI... AT 200 PM... RADAR CONTINUED TO INDICATE SHOWERS AND THUNDERSTORMS MOVING SOUTH AT 15 MPH OVER PORTIONS OF THE OZARKS. THE HEAVIEST RAINFALL WAS OCCURRING NEAR THE MISSOURI ARKANSAS BORDER BETWEEN KIMBERLING CITY TO ALTON. ALSO A FEW STORMS WERE OVER COMMUNITIES BETWEEN FORT LEONARD WOOD TO ROLLA. RAINFALL RATES OF ONE TO TWO INCHES PER HOUR ARE STILL POSSIBLE... MAINLY ALONG THE MISSOURI ARKANSAS BORDER THROUGH 3 PM. HOWEVER... THE HEAVY RAINFALL THAT PRODUCED BETWEEN TWO AND THREE INCHES OF RAIN SINCE 11 AM IN PORTIONS OF SOUTHERN TEXAS AND HOWELL COUNTIES HAS DECREASED... HOWEVER RUNOFF WILL CONTINUE TO PRODUCE LOCALLY FLOODING... ESPECIALLY ALONG CREEKS... AND LOW WATER BRIDGES. HOWELL AND MYATT CREEKS OF SOUTHERN HOWELL COUNTY ARE MOST LIKELY FULL AND SOME FLOODING IS LIKELY. ALSO SOME OF THE TRIBUTARIES THAT FLOW INTO THE JACKS FORK RIVER IN SOUTHEAST TEXAS COUNTY ARE MOST LIKELY FULL AND SOME FLOODING IS LIKELY. 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 11, 1:59 PM CDT, 35 minutes before
MOZ058-070>071-081>083-091>092-095>098-101>106-112000- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 159 PM CDT TUE AUG 11 1998 THE STATEMENT BELOW IS VALID FOR THE FOLLOWING COUNTIES... ...IN MISSOURI... BARRY CHRISTIAN DENT DOUGLAS HOWELL LACLEDE MARIES MCDONALD OREGON OZARK PHELPS PULASKI SHANNON STONE TANEY TEXAS WEBSTER WRIGHT INCLUDING THE TOWNS OF... ROLLA LEBANON BRANSON WEST PLAINS FORT LEONARD WOOD SALEM MARSHFIELD OZARK MONETT ...A FLASH FLOOD WARNING CONTINUES THROUGH 3 PM FOR SOUTHERN TEXAS AND HOWELL COUNTIES OF SOUTH CENTRAL MISSOURI... AT 200 PM... RADAR CONTINUED TO INDICATE SHOWERS AND THUNDERSTORMS MOVING SOUTH AT 15 MPH OVER PORTIONS OF THE OZARKS. THE HEAVIEST RAINFALL WAS OCCURRING NEAR THE MISSOURI ARKANSAS BORDER BETWEEN KIMBERLING CITY TO ALTON. ALSO A FEW STORMS WERE OVER COMMUNITIES BETWEEN FORT LEONARD WOOD TO ROLLA. RAINFALL RATES OF ONE TO TWO INCHES PER HOUR ARE STILL POSSIBLE... MAINLY ALONG THE MISSOURI ARKANSAS BORDER THROUGH 3 PM. HOWEVER... THE HEAVY RAINFALL THAT PRODUCED BETWEEN TWO AND THREE INCHES OF RAIN SINCE 11 AM IN PORTIONS OF SOUTHERN TEXAS AND HOWELL COUNTIES HAS DECREASED... HOWEVER RUNOFF WILL CONTINUE TO PRODUCE LOCALLY FLOODING... ESPECIALLY ALONG CREEKS... AND LOW WATER BRIDGES. HOWELL AND MYATT CREEKS OF SOUTHERN HOWELL COUNTY ARE MOST LIKELY FULL AND SOME FLOODING IS LIKELY. ALSO SOME OF THE TRIBUTARIES THAT FLOW INTO THE JACKS FORK RIVER IN SOUTHEAST TEXAS COUNTY ARE MOST LIKELY FULL AND SOME FLOODING IS LIKELY. 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, 9:33 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 47 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 |
Nearby
Flash Flood Warnings in Missouri, 1998Every flash flood 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.