Alert archive / Missouri / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 3, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Feb 27, 2011, 4:50 PM CST for 4 counties in Missouri. It was in force for 25 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Feb 27, 2011, 4:50 PM CST (22:50 UTC)
- Expired
- Feb 27, 2011, 5:15 PM CST
- In force
- 25 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Johnson County, MO, Lafayette County, MO, Pettis County, MO, Saline County, MO
The radar
The Pleasant Hill radar (KEAX), 79 km from the middle of the area, began a volume at 22:51 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 |
|---|---|---|---|
| Feb 27, 4:55 PM CST | HAIL 0.88 | Concordia, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 27, 1:12 PM CST | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 10.8 hours before the alert went out and 193 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 382 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 505 m²/s²
- 0-3 km storm-relative helicity
- 498 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
264 WUUS53 KEAX 272250 SVREAX MOC101-107-159-195-272315- /O.NEW.KEAX.SV.W.0003.110227T2250Z-110227T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 450 PM CST SUN FEB 27 2011 THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN JOHNSON COUNTY IN WEST CENTRAL MISSOURI... SOUTHEASTERN LAFAYETTE COUNTY IN WEST CENTRAL MISSOURI... NORTHERN PETTIS COUNTY IN CENTRAL MISSOURI... WESTERN SALINE COUNTY IN CENTRAL MISSOURI... * UNTIL 515 PM CST * AT 446 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH...AND QUARTER SIZE HAIL. THIS STORM WAS LOCATED 8 MILES SOUTHWEST OF CONCORDIA...AND MOVING NORTHEAST AT 65 MPH. * LOCATIONS IMPACTED INCLUDE... CONCORDIA...SWEET SPRINGS...MARSHALL...ALMA...HOUSTONIA... BLACKBURN...MALTA BEND...EMMA AND MOUNT LEONARD. THIS WILL IMPACT I-70 BETWEEN MILE MARKERS 48 AND 84. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3925 9325 3892 9306 3883 9371 3900 9377 TIME...MOT...LOC 2250Z 240DEG 55KT 3895 9362 WIND...HAIL 60MPH 1.00IN $$ CDB
3 follow-up statements
142 WWUS53 KEAX 272258 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 458 PM CST SUN FEB 27 2011 MOC101-159-272308- /O.CAN.KEAX.SV.W.0003.000000T0000Z-110227T2315Z/ JOHNSON MO-PETTIS MO- 458 PM CST SUN FEB 27 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PETTIS COUNTY IN CENTRAL MISSOURI...AND NORTHEASTERN JOHNSON COUNTY IN WEST CENTRAL MISSOURI IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 3894 9359 3904 9366 3925 9325 3894 9307 TIME...MOT...LOC 2258Z 240DEG 55KT 3901 9348 $$ MOC107-195-272315- /O.CON.KEAX.SV.W.0003.000000T0000Z-110227T2315Z/ LAFAYETTE MO-SALINE MO- 458 PM CST SUN FEB 27 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN SALINE AND EAST CENTRAL LAFAYETTE COUNTIES UNTIL 515 PM CST... AT 455 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH...AND QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR CONCORDIA...MOVING NORTHEAST AT 65 MPH. LOCATIONS IMPACTED INCLUDE... SWEET SPRINGS...MARSHALL...BLACKBURN...MALTA BEND AND MOUNT LEONARD. THIS WILL IMPACT I-70 BETWEEN MILE MARKERS 56 AND 84. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3894 9359 3904 9366 3925 9325 3894 9307 TIME...MOT...LOC 2258Z 240DEG 55KT 3901 9348 WIND...HAIL 60MPH 1.00IN $$ CDB
663 WWUS53 KEAX 272306 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 506 PM CST SUN FEB 27 2011 MOC107-272316- /O.CAN.KEAX.SV.W.0003.000000T0000Z-110227T2315Z/ LAFAYETTE MO- 506 PM CST SUN FEB 27 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LAFAYETTE COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 3894 9350 3912 9350 3925 9325 3894 9307 TIME...MOT...LOC 2306Z 240DEG 55KT 3907 9334 $$ MOC195-272315- /O.CON.KEAX.SV.W.0003.000000T0000Z-110227T2315Z/ SALINE MO- 506 PM CST SUN FEB 27 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN SALINE COUNTY UNTIL 515 PM CST... AT 504 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH...AND QUARTER SIZE HAIL. THIS STORM WAS LOCATED 6 MILES NORTH OF SWEET SPRINGS...MOVING NORTHEAST AT 65 MPH. LOCATIONS IMPACTED INCLUDE... MARSHALL. THIS WILL IMPACT I-70 BETWEEN MILE MARKERS 63 AND 84. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3894 9350 3912 9350 3925 9325 3894 9307 TIME...MOT...LOC 2306Z 240DEG 55KT 3907 9334 WIND...HAIL 60MPH 1.00IN $$ CDB
964 WWUS53 KEAX 272310 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 510 PM CST SUN FEB 27 2011 MOC195-272319- /O.EXP.KEAX.SV.W.0003.000000T0000Z-110227T2315Z/ SALINE MO- 510 PM CST SUN FEB 27 2011 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SALINE COUNTY WILL EXPIRE AT 515 PM CST... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM. IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM CST. LAT...LON 3894 9350 3912 9350 3925 9325 3894 9307 TIME...MOT...LOC 2309Z 240DEG 55KT 3909 9328 $$ CDB
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 9:15 PM CST | Dense Fog Advisory | EAX | Bates, Caldwell, Carroll, Cass, Chariton, Clay and 15 more | 20 hr |
| Feb 27, 10:08 AM CST | Flood Watch | EAX | Adair, Bates, Buchanan, Caldwell, Carroll, Cass and 21 more | 13 hr |
| Feb 27, 3:12 PM CST | River Flood Warning | EAX | Cooper | 28 hr |
| Feb 27, 3:51 PM CST | Severe Thunderstorm Warning | EAX | Cass | 39 min |
| Feb 27, 4:20 PM CST | Areal Flood Advisory | EAX | Bates, Cass, Clay, Jackson, Platte | 7 hr |
| Feb 27, 4:21 PM CST | Special Weather Statement | EAX | Johnson | 39 min |
| Feb 27, 4:43 PM CST | Areal Flood Advisory | EAX | Caldwell, Carroll, Daviess, Jackson, Johnson, Lafayette and 5 more | 6 hr |
| Feb 27, 4:54 PM CST | Special Weather Statement | EAX | Cass, Jackson, Johnson, Lafayette | 51 min |
| Feb 27, 5:07 PM CST | Areal Flood Advisory | EAX | Chariton, Cooper, Howard, Linn, Macon, Randolph and 1 more | 6 hr |
| Feb 27, 5:21 PM CST | Special Weather Statement | EAX | Saline | 24 min |
| Feb 27, 5:37 PM CST | Special Weather Statement | EAX | Randolph | 23 min |
| Feb 27, 5:40 PM CST | Special Weather Statement | EAX | Randolph | 50 min |
| Feb 27, 5:43 PM CST | River Flood Warning | EAX | Cass, Henry, Johnson | 45 hr |
| Feb 27, 5:43 PM CST | River Flood Warning | EAX | Johnson, Pettis | 39 hr |
| Feb 27, 5:43 PM CST | River Flood Warning | EAX | Bates, Cass, Henry | 45 hr |
| Feb 27, 5:57 PM CST | Severe Thunderstorm Warning | EAX | Randolph | 18 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.