Alert archive / Missouri / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Apr 3, 2007, 10:39 AM CDT for Henry County, Missouri. It was in force for 36 min. 2 reports 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
- Apr 3, 2007, 10:39 AM CDT (15:39 UTC)
- Expired
- Apr 3, 2007, 11:15 AM CDT
- In force
- 36 min
- Issued by
- NWS Kansas City, MO
- Area
- Counties, with a storm outline in the text
County Henry County, MO
The radar
The Pleasant Hill radar (KEAX), 59 km from the middle of the area, began a volume at 15:41 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 3, 11:14 AM CDT | HAIL 0.88 | Calhoun, MO | |
| Apr 3, 11:15 AM CDT | HAIL 0.75 | 6 N Coal, 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 |
|---|---|---|---|
| Apr 3, 7:37 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.7 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
- 1571 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KEAX 031540 SVREAX MOC083-031615- /O.NEW.KEAX.SV.W.0021.070403T1539Z-070403T1615Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1039 AM CDT TUE APR 3 2007 THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HENRY COUNTY IN WEST CENTRAL MISSOURI * UNTIL 1115 AM CDT * AT 1036 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR URICH...OR 9 MILES NORTHWEST OF CLINTON...AND MOVING EAST AT 25 MPH. THIS STORM HAS HAD A HISTORY OF PRODUCING QUARTER SIZE HAIL NEAR URICH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CLINTON BY 1055 AM CDT. CALHOUN BY 1105 AM CDT. THE TOWNS OF COAL AND TIGHTWAD ARE ALSO IN THE PATH OF THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN PLEASANT HILL. LAT...LON 3854 9391 3839 9401 3824 9353 3850 9352 $$ DUX
2 follow-up statements
000 WWUS53 KEAX 031553 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1053 AM CDT TUE APR 3 2007 MOC083-031615- /O.CON.KEAX.SV.W.0021.000000T0000Z-070403T1615Z/ HENRY MO- 1053 AM CDT TUE APR 3 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN HENRY COUNTY UNTIL 1115 AM CDT... AT 1051 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CLINTON...MOVING EAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... CALHOUN BY 1105 AM CDT. THE TOWNS OF COAL AND TIGHTWAD ARE ALSO IN THE PATH OF THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN PLEASANT HILL. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM CDT TUESDAY AFTERNOON FOR NORTHWESTERN MISSOURI. LAT...LON 3853 9378 3837 9391 3824 9353 3850 9352 $$ DUX
000 WWUS53 KEAX 031614 SVSEAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1113 AM CDT TUE APR 3 2007 MOC083-031623- /O.EXP.KEAX.SV.W.0021.000000T0000Z-070403T1615Z/ HENRY MO- 1113 AM CDT TUE APR 3 2007 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HENRY COUNTY WILL EXPIRE AT 1115 AM CDT... AT 1110 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...DIME TO PENNY SIZE HAIL WILL STILL BE POSSIBLE ACROSS EXTREME EASTERN HENRY COUNTY THROUGH 1130 AM. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN PLEASANT HILL. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM CDT TUESDAY AFTERNOON FOR NORTHWESTERN MISSOURI. LAT...LON 3853 9378 3837 9391 3824 9353 3850 9352 $$ DUX
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 4:49 AM CDT | Severe Thunderstorm Warning | EAX | Adair, Putnam, Schuyler, Sullivan | 40 min |
| Apr 3, 5:12 AM CDT | Severe Thunderstorm Warning | EAX | Grundy, Sullivan | 23 min |
| Apr 3, 6:49 AM CDT | Severe Thunderstorm Warning | EAX | Carroll, Jackson, Lafayette, Ray | 41 min |
| Apr 3, 7:59 AM CDT | Severe Thunderstorm Warning | EAX | Chariton, Linn, Macon, Randolph | 46 min |
| Apr 3, 9:47 AM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis, Saline | 43 min |
| Apr 3, 9:58 AM CDT | Severe Thunderstorm Warning | EAX | Cass, Henry, Johnson | 47 min |
| Apr 3, 11:53 AM CDT | Wind Advisory | EAX | Andrew, Atchison, Buchanan, DeKalb, Gentry, Holt and 2 more | 4 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2007Every severe thunderstorm warning in 2007
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.