Alert archive / Missouri / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 220, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 18, 2011, 7:18 AM CDT for Harrison County, Mercer County, Missouri. It was in force for 27 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
- Jun 18, 2011, 7:18 AM CDT (12:18 UTC)
- Expired
- Jun 18, 2011, 7:45 AM CDT
- In force
- 27 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Harrison County, MO, Mercer County, MO
The radar
The Des Moines radar (KDMX), 133 km from the middle of the area, began a volume at 12:18 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 |
|---|---|---|---|
| Jun 18, 7:28 AM CDT | TSTM WND GST 59 | Hatfield, MO | POWER LINES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 10 minutes after it went out.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 0.3 hours before the alert went out and 233 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
- 2 J/kg
- Mixed-layer CIN
- -487 J/kg
- Mixed-layer LCL
- 1381 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -203 m²/s²
- 0-3 km storm-relative helicity
- -151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
111
WUUS53 KEAX 181218
SVREAX
MOC081-129-181245-
/O.NEW.KEAX.SV.W.0220.110618T1218Z-110618T1245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO
718 AM CDT SAT JUN 18 2011
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN HARRISON COUNTY IN NORTH CENTRAL MISSOURI...
NORTHWESTERN MERCER COUNTY IN NORTH CENTRAL MISSOURI...
* UNTIL 745 AM CDT.
* AT 715 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM NEAR EAGLEVILLE...OR 14 MILES NORTH OF
BETHANY...MOVING NORTHEAST AT 35 MPH. THIS STORM IS CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.
* LOCATIONS IMPACTED INCLUDE BLYTHEDALE...CAINSVILLE...EAGLEVILLE...
HATFIELD...RIDGEWAY AND SOUTH LINEVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN ITS PATH SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.
SEVERE THUNDERSTORMS POSE A VARIETY OF HAZARDS TO THOSE OUTDOORS...
INCLUDING LARGE HAIL...DAMAGING WINDS THAT CAN CREATE DANGEROUS
FLYING PROJECTILES AND DEBRIS...AS WELL AS DEADLY CLOUD TO GROUND
LIGHTNING. IF YOU ARE IN THE PATH OF THIS STORM...MOVE INDOORS TO A
STURDY SHELTER IMMEDIATELY.
&&
LAT...LON 4057 9344 4033 9400 4057 9421 4058 9419
4059 9346
TIME...MOT...LOC 1219Z 243DEG 33KT 4049 9399
WIND...HAIL 60MPH 1.00IN
$$
HATCH1 follow-up statement
276
WWUS53 KEAX 181242
SVSEAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO
742 AM CDT SAT JUN 18 2011
MOC081-129-181253-
/O.EXP.KEAX.SV.W.0220.000000T0000Z-110618T1245Z/
HARRISON MO-MERCER MO-
742 AM CDT SAT JUN 18 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MERCER AND
NORTHERN HARRISON COUNTIES WILL EXPIRE AT 745 AM CDT...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 4057 9344 4033 9400 4057 9421 4058 9419
4059 9346
TIME...MOT...LOC 1243Z 243DEG 33KT 4059 9373
$$
HATCHWhat 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 Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 7:04 AM CDT, 14 minutes earlier.
Area forecast discussion, Jun 18, 7:04 AM CDT, 14 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO 704 AM CDT SAT JUN 18 2011 .DISCUSSION... SEVERE THREAT WITH STORMS ASSOCIATED WITH SEVERE THUNDERSTORM WATCH 498 HAS DIMINISHED AND THIS WATCH WILL BE CANCELLED SHORTLY. OTHER STRONG TO SEVERE STORMS NEAR BETHANY ARE EXPECTED TO CONTINUE THEIR NORTHEAST MOVEMENT AND EXIT THE FORECAST AREA WITHIN THE NEXT HOUR OR TWO. ADDITIONAL FORECAST DISCUSSION INFORMATION WILL BE INCLUDED BY 8 AM. && .AVIATION (ISSUED BY WFO TOPEKA)... KEPT VARIABLE WIND GROUP ONE MORE HOUR AS MESOLOW CONTINUES TO MOVE EASTWARD AND WRAP BREEZY CONDITIONS INTO THE TAF SITES. REINTRODUCED NEXT CHANCE FOR THUNDER IN THE LATE AFTERNOON INTO EVENING HOURS AND EXPECT COVERAGE TO INCREASE AND BECOME MORE INTENSE AFTER SUNSET. 67 && .EAX WATCHES/WARNINGS/ADVISORIES... MO...NONE. KS...NONE. &&
Hazardous weather outlook, Jun 18, 6:28 AM CDT, 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO 628 AM CDT SAT JUN 18 2011 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-191130- ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS- ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER- HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-SULLIVAN-ADAIR-BUCHANAN-CLINTON- CALDWELL-LIVINGSTON-LINN MO-MACON-PLATTE-CLAY-RAY-CARROLL-CHARITON- RANDOLPH-JACKSON-LAFAYETTE-SALINE-HOWARD-CASS-JOHNSON MO-PETTIS- COOPER-BATES-HENRY- 628 AM CDT SAT JUN 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS. .DAY ONE...TODAY AND TONIGHT STRONG TO SEVERE THUNDERSTORM DEVELOPMENT WILL CONTINUE ACROSS THE OUTLOOK AREA THIS MORNING AHEAD OF A COLD FRONT ACROSS NORTHWEST MISSOURI. DAMAGING DOWNBURST WINDS AND LARGE HAIL WILL BE THE PRIMARY SEVERE WEATHER THREATS. ANOTHER ROUND OF STRONG TO SEVERE STORMS WILL BE POSSIBLE LATE THIS AFTERNOON AND INTO THE EVENING HOURS AS AN UPPER LEVEL DISTURBANCE INTERACTS WITH THE UNSTABLE AIRMASS OVER THE REGION AND REMNANT OUTFLOW BOUNDARIES FROM THE EARLIER STORMS. DAMAGING DOWNBURST WINDS AND LARGE HAIL WILL AGAIN BE THE PRIMARY STORM THREATS. ISOLATED TORNADOES AND LOCALIZED FLOODING WILL ALSO BE POSSIBLE. IF SUFFICIENT SUNSHINE CAN RETURN TO THE REGION LATE TOMORROW MORNING AND AFTERNOON...A VERY WARM AND HUMID AIRMASS WILL ALLOW HEAT INDICES TO REACH THE MIDDLE TO UPPER 90S. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ANOTHER UPPER LEVEL STORM SYSTEM AND COLD FRONT WILL MOVE INTO MISSOURI EARLY NEXT WEEK. THERE WILL BE A THREAT OF THUNDERSTORMS MONDAY NIGHT THROUGH EARLY WEDNESDAY. SEVERE THUNDERSTORMS ARE POSSIBLE. ALTHOUGH WIDESPREAD EXCESSIVE RAINFALL IS NOT EXPECTED WITH THE THUNDERSTORM ACTIVITY THROUGH NEXT WEEK...LOCALIZED HEAVY RAINFALL WILL BE POSSIBLE. THIS COULD LEAD TO FLOODING OF SMALLER STREAMS AND RIVERS AND COULD BRING ADDITIONAL RISES TO THE MISSOURI RIVER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE EARLY THIS MORNING ALONG AND SOUTH OF A LINE FROM BUTLER TO CLINTON...AND NORTH OF A LINE FROM AGENCY TO CHILLICOTHE. SPOTTER ACTIVATION WILL ALSO BE POSSIBLE AFTER 3 PM FOR THE ENTIRE OUTLOOK AREA. WFO EAX
In the hours before
Local storm report, Jun 18, 3:00 AM CDT, 4 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
300 AM CDT SAT JUN 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0242 AM TSTM WND GST WHITEMAN AIR FORCE BASE 38.73N 93.55W
06/18/2011 M62 MPH JOHNSON MO ASOS
MEASURED AT WHITEMAN AIR FORCE BASE ASOS SZL
&&
DDEROCHESpecial weather statement, Jun 18, 4:52 AM CDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO
452 AM CDT SAT JUN 18 2011
KSZ060-MOZ053-181030-
LINN KS-BATES MO-
452 AM CDT SAT JUN 18 2011
...SIGNIFICANT WEATHER ADVISORY FOR LINN AND WESTERN BATES COUNTIES
UNTIL 530 AM CDT...
AT 450 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 8 MILES NORTH OF BLUE MOUND...OR 9 MILES
NORTHWEST OF MOUND CITY...MOVING EAST AT 60 MPH. PENNY SIZE HAIL...
AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE ADRIAN...AMORET...AMSTERDAM...BLUE
MOUND...FOSTER...HUME...LA CYGNE...MOUND CITY...PARKER...PASSAIC...
PLEASANTON...PRESCOTT...RICH HILL AND WORLAND.
THUNDERSTORMS POSE A VARIETY OF HAZARDS TO THOSE OUTDOORS...INCLUDING
HAIL... STRONG WINDS THAT CAN CREATE DANGEROUS FLYING PROJECTILES AND
DEBRIS...AS WELL AS DEADLY CLOUD TO GROUND LIGHTNING. IF YOU ARE IN
THE PATH OF THIS STORM...MOVE INDOORS TO A STURDY SHELTER
IMMEDIATELY.
LAT...LON 3804 9508 3826 9508 3827 9507 3833 9507
3842 9434 3805 9434 3805 9460 3804 9462
TIME...MOT...LOC 0953Z 268DEG 50KT 3820 9492
HATCHSpecial weather statement, Jun 18, 5:25 AM CDT, 1 hour 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO
525 AM CDT SAT JUN 18 2011
KSZ025-102-103-MOZ001-002-011>013-020-021-028-029-181130-LEAVENWORTH
KS-ATCHISON KS-DONIPHAN KS-BUCHANAN MO-CLAY MO-CLINTON MO-DE KALB
MO-HOLT MO-NODAWAY MO-PLATTE MO-ANDREW MO-ATCHISON MO-524 AM CDT SAT
JUN 18 2011
SIGNIFICANT WEATHER ADVISORY FOR
ANDREW...ATCHISON...BUCHANAN...DONIPHAN...HOLT...NODAWAY...NORTHERN
CLAY...NORTHERN LEAVENWORTH...PLATTE...WESTERN CLINTON AND WESTERN
DEKALB COUNTIES UNTIL 630 AM CDT...
AT 520 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES SOUTHWEST OF
PHELPS CITY TO ARRINGTON TO 19 MILES WEST OF JARBALO...MOVING
NORTHEAST AT 50 MPH. WINDS AROUND 50 MPH ARE EXPECTED WITH THESE
STORMS.
WIND GUSTS TO 50 MPH HAVE BEEN REPORTED ACROSS NORTHEASTERN KANSAS
WITH THIS LINE OF STORMS.
THUNDERSTORMS POSE A VARIETY OF HAZARDS TO THOSE OUTDOORS...INCLUDING
HAIL...STRONG WINDS THAT CAN CREATE DANGEROUS FLYING PROJECTILES AND
DEBRIS...AS WELL AS DEADLY CLOUD TO GROUND LIGHTNING. IF YOU ARE IN
THE PATH OF THESE STORMS...MOVE INDOORS TO A STURDY SHELTER
IMMEDIATELY.
LAT...LON 4059 9577 4057 9464 4004 9460 4003 9456
3939 9430 3911 9518 3941 9519 3942 9557
3965 9557 3966 9535 4001 9532 4004 9542
4012 9540 4024 9548 4031 9566 4045 9565
4048 9570 4055 9566 4052 9575 4058 9578
TIME...MOT...LOC 1024Z 242DEG 44KT 4035 9565 3952 9552
3918 9536
HATCHLocal storm report, Jun 18, 6:35 AM CDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
ISSUED BY NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
635 AM CDT SAT JUN 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 AM HAIL 5 SE RICH HILL 38.04N 94.30W
06/18/2011 M1.00 INCH VERNON MO COCORAHS
&&
MTERRYLocal storm report, Jun 18, 6:38 AM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
ISSUED BY NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
638 AM CDT SAT JUN 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 AM HAIL 4 SE RICH HILL 38.05N 94.31W
06/18/2011 M1.00 INCH BATES MO COCORAHS
&&
MTERRYLocal storm report, Jun 18, 7:18 AM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
ISSUED BY NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
718 AM CDT SAT JUN 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 AM HAIL NEW HAMPTON 40.27N 94.20W
06/18/2011 M1.00 INCH HARRISON MO EMERGENCY MNGR
&&
MTERRYThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 1:17 AM CDT | Severe Thunderstorm Warning | EAX | Bates, Cass | 28 min |
| Jun 18, 1:28 AM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 32 min |
| Jun 18, 1:36 AM CDT | Special Weather Statement | EAX | Clay, Platte | 39 min |
| Jun 18, 1:47 AM CDT | Severe Thunderstorm Warning | EAX | Bates, Cass, Henry, Johnson | 43 min |
| Jun 18, 1:51 AM CDT | Severe Thunderstorm Warning | EAX | Jackson, Johnson, Lafayette | 39 min |
| Jun 18, 2:10 AM CDT | Special Weather Statement | EAX | Clay, Clinton, Ray | 50 min |
| Jun 18, 2:16 AM CDT | Severe Thunderstorm Warning | EAX | Bates, Cooper, Henry, Johnson, Lafayette, Pettis and 1 more | 44 min |
| Jun 18, 2:56 AM CDT | Severe Thunderstorm Warning | EAX | Cooper, Henry, Howard, Johnson, Pettis, Saline | 34 min |
| Jun 18, 3:28 AM CDT | Severe Thunderstorm Warning | EAX | Chariton, Cooper, Howard, Pettis, Randolph, Saline | 47 min |
| Jun 18, 5:59 AM CDT | Severe Thunderstorm Warning | EAX | Bates | 19 min |
| Jun 18, 6:47 AM CDT | Severe Thunderstorm Warning | EAX | Gentry, Harrison | 43 min |
| Jun 18, 9:00 AM CDT | Areal Flood Advisory | EAX | Adair, Macon, Putnam, Schuyler, Sullivan | 4 hr |
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.