Alert archive / Missouri / Tornado Warnings in 1999
Tornado Warning 12, NWS Springfield, MO
NWS Springfield, MO issued this tornado warning at Apr 22, 1999, 7:36 PM CDT for Barry County, McDonald County, Missouri. It was in force for 49 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
- Apr 22, 1999, 7:36 PM CDT (00:36 UTC)
- Expired
- Apr 22, 1999, 8:25 PM CDT
- In force
- 49 min
- Issued by
- NWS Springfield, MO
- Area
- Whole counties
Counties Barry County, MO, McDonald County, MO
The radar
The Springfield radar (KSGF), 88 km from the middle of the area, began a volume at 00:36 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 |
|---|---|---|---|
| Apr 22, 7:52 PM CDT | Hail 0.75 | Seligman, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 22, 4:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.6 hours before the alert went out and 36 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
- 316 J/kg
- Mixed-layer CIN
- -172 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 326 m²/s²
- 0-3 km storm-relative helicity
- 336 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSGF 230036 RRA TORSGF MOC009-119-230125- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SPRINGFIELD MO 736 PM CDT THU APR 22 1999 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * TORNADO WARNING FOR... BARRY COUNTY IN SOUTHWESTERN MISSOURI SOUTHEASTERN MCDONALD COUNTY IN SOUTHWESTERN MISSOURI * UNTIL 825 PM CDT * AT 735 PM DOPPLER RADAR INDICATED A TORNADO ALONG THE MISSOURI / ARKANSAS BORDER 13 MILES SOUTHEAST OF PINEVILLE OR 10 MILES WEST OF SELIGMAN. THIS STORM WAS MOVING EAST AT 35 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SELIGMAN BY 750 PM EAGLE ROCK BY 805 PM THIS IS A DANGEROUS SITUATION. MOVE QUICKLY TO A DESIGNATED SHELTER...BASEMENT...OR INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. VESPER/FOSTER
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Apr 22, 2:15 PM CDT, 5 hours 21 minutes earlier.
Area forecast discussion, Apr 22, 2:15 PM CDT, 5 hours 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 215 PM CDT THU APR 22 1999 MAIN FOCUS WILL BE WITH CONVECTION AND HEAVY RAIN POTENTIAL TONIGHT...ESPECIALLY IN W CWA. STATIONARY BOUNDARY HAS BEEN MAIN FOCUS FOR CONVECTION THROUGHOUT THE DAY SO FAR WITH MCS PUSHING INTO N MO...N OF CWA. HOWEVER...NEW LINE OF STG TSRA HAS DEVELOPED FROM EMPORIA S TO NEAR PONCA CITY OK. THIS AREA AHEAD OF FRONT IS VERY UNSTABLE WITH SFC LIS OF -4 TO -8. WOULD EXPECT THIS LINE TO CONTINUE PUSHING ENE AND INTO W MO LATE THIS AFTERNOON/EARLY EVENING. THIS AREA WAS THE SAME AREA WHICH RECEIVED BETWEEN 1 TO 2 INCHES OF RAINFALL EARLIER THIS MORNING AND THE GROUND IS ALREADY SATURATED. ANOTHER 1 TO 2 INCHES WITH LOCALIZED HIGHER AMOUNTS WILL BE POSSIBLE WITH THE THUNDERSTORMS TONIGHT. WILL BE ISSUING A FLASH FLOOD WATCH FOR THIS AREA TONIGHT. SPLIT FLOW WILL CONTINUE ALOFT WITH CUT OFF LOW DEEPENING ACROSS THE CENTRAL AND SOUTHERN ROCKIES DURING THE FIRST 24 HR PD. RIDGE WILL BEGIN TO BUILD IN THE MS VLY REGION DURING THIS TIME WITH MAIN ENERGY CYCLING AROUND THE LOW IN THE PLAINS. FRONT WILL SLOWLY SAG SOUTH ACROSS THE CWA DURING THE PD AND WILL BE THE MAIN FOCUSING MECHANISM FOR SHOWERS AND THUNDERSTORMS. MAIN PRECIPITATION AREA SHOULD SHIFT TO THE SOUTH AND EAST FOR FRIDAY NIGHT INTO SATURDAY. HAVE GENERALLY GONE WITH THE FAN FOR BOTH POPS AND TEMPS THROUGHOUT THE PD. CCF SGF TC 057/068 052/063 049 056555 JLN TC 057/068 054/067 051 056555 UNO TT 060/071 056/068 053 054566 VIH TC 054/064 047/059 046 055543 LINDENBERG
In the hours before
Special weather statement, Apr 22, 3:52 PM CDT, 3 hours 44 minutes before
KSZ073-097-101-MOZ055-066>068-077>080-088>091-093>095-101>104-230200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 352 PM CDT THU APR 22 1999 ...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM... ...IN SOUTHEAST KANSAS... BOURBON... CHEROKEE... CRAWFORD... ...IN SOUTHWEST AND WEST CENTRAL MISSOURI... BARRY... BARTON... BENTON... CEDAR... CHRISTIAN... DADE... DALLAS... GREENE... HICKORY... JASPER... LAWRENCE... MCDONALD... NEWTON... POLK... ST. CLAIR... STONE... TANEY... VERNON... WEBSTER... THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A TORNADO WATCH UNTIL 9 PM FOR A PORTION OF SOUTHEAST KANSAS AND SOUTHWEST MISSOURI. A LINE OF THUNDERSTORMS HAS DEVELOPED IN EASTERN KANSAS THIS AFTERNOON AND WILL PUSH EAST INTO WESTERN MISSOURI THIS EVENING. DAMAGING WIND...LARGE HAIL...AND TORNADOES WILL ALL BE POSSIBLE THIS EVENING AS THESE STORMS PUSH THROUGH THE AREA. A TORNADO WATCH MEANS THAT SEVERE THUNDERSTORMS AND TORNADOES WILL BE POSSIBLE IN AND NEAR THE WATCH AREA. TAKE TIME NOW TO THINK ABOUT WHAT YOU WOULD DO TO PROTECT YOURSELF IF A TORNADO WARNING IS ISSUED FOR YOUR AREA. REMEMBER...ELECTRICAL POWER AND OTHER SERVICES MAY BE INTERRUPTED DURING SEVERE STORMS. LINDENBERG
Special weather statement, Apr 22, 3:52 PM CDT, 3 hours 44 minutes before
KSZ073-097-101-MOZ055-066>068-077>080-088>091-093>095-101>104-230200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 352 PM CDT THU APR 22 1999 ...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM... ...IN SOUTHEAST KANSAS... BOURBON... CHEROKEE... CRAWFORD... ...IN SOUTHWEST AND WEST CENTRAL MISSOURI... BARRY... BARTON... BENTON... CEDAR... CHRISTIAN... DADE... DALLAS... GREENE... HICKORY... JASPER... LAWRENCE... MCDONALD... NEWTON... POLK... ST. CLAIR... STONE... TANEY... VERNON... WEBSTER... THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A TORNADO WATCH UNTIL 9 PM FOR A PORTION OF SOUTHEAST KANSAS AND SOUTHWEST MISSOURI. A LINE OF THUNDERSTORMS HAS DEVELOPED IN EASTERN KANSAS THIS AFTERNOON AND WILL PUSH EAST INTO WESTERN MISSOURI THIS EVENING. DAMAGING WIND...LARGE HAIL...AND TORNADOES WILL ALL BE POSSIBLE THIS EVENING AS THESE STORMS PUSH THROUGH THE AREA. A TORNADO WATCH MEANS THAT SEVERE THUNDERSTORMS AND TORNADOES WILL BE POSSIBLE IN AND NEAR THE WATCH AREA. TAKE TIME NOW TO THINK ABOUT WHAT YOU WOULD DO TO PROTECT YOURSELF IF A TORNADO WARNING IS ISSUED FOR YOUR AREA. REMEMBER...ELECTRICAL POWER AND OTHER SERVICES MAY BE INTERRUPTED DURING SEVERE STORMS. LINDENBERG
Special weather statement, Apr 22, 7:11 PM CDT, 25 minutes before
KSZ073-097-101-MOZ055-066>068-077>079-088>090-093>095-101>104-230115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 711 PM CDT THU APR 22 1999 ...A TORNADO WATCH REMAINS IN EFFECT FOR THE FOLLOWING COUNTIES UNTIL 9 PM... BARRY... CHRISTIAN... MCDONALD... NEWTON... STONE... TANEY... ...A TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... BARTON... BENTON... BOURBON... CEDAR... CHEROKEE... CRAWFORD... DADE... GREENE... HICKORY... JASPER... LAWRENCE... POLK... ST. CLAIR... VERNON... TORNADIC THUNDERSTORMS CONTINUE TO PUSH EAST ACROSS EXTREME SOUTHERN MISSOURI. THE TORNADO WATCH WILL REMAIN IN EFFECT IN EXTREME SOUTHWEST MISSOURI. NO THUNDERSTORMS WERE FORMING FURTHER TO THE NORTH...AND THIS PORTION OF THE WATCH HAS BEEN CANCELLED. A FLASH FLOOD WATCH REMAINS IN EFFECT TONIGHT FOR MUCH OF SOUTHWEST MISSOURI AND SOUTHEAST KANSAS. LINDENBERG
Special weather statement, Apr 22, 7:11 PM CDT, 25 minutes before
KSZ073-097-101-MOZ055-066>068-077>079-088>090-093>095-101>104-230115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 711 PM CDT THU APR 22 1999 ...A TORNADO WATCH REMAINS IN EFFECT FOR THE FOLLOWING COUNTIES UNTIL 9 PM... BARRY... CHRISTIAN... MCDONALD... NEWTON... STONE... TANEY... ...A TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... BARTON... BENTON... BOURBON... CEDAR... CHEROKEE... CRAWFORD... DADE... GREENE... HICKORY... JASPER... LAWRENCE... POLK... ST. CLAIR... VERNON... TORNADIC THUNDERSTORMS CONTINUE TO PUSH EAST ACROSS EXTREME SOUTHERN MISSOURI. THE TORNADO WATCH WILL REMAIN IN EFFECT IN EXTREME SOUTHWEST MISSOURI. NO THUNDERSTORMS WERE FORMING FURTHER TO THE NORTH...AND THIS PORTION OF THE WATCH HAS BEEN CANCELLED. A FLASH FLOOD WATCH REMAINS IN EFFECT TONIGHT FOR MUCH OF SOUTHWEST MISSOURI AND SOUTHEAST KANSAS. LINDENBERG
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 7:18 PM CDT | Severe Thunderstorm Warning | SGF | McDonald | 47 min |
| Apr 22, 7:33 PM CDT | Flash Flood Warning | SGF | Barry | 4 hr |
Nearby
Tornado Warnings in Missouri, 1999Every tornado warning in 1999Tornadoes in 1999
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.