Alert archive / Missouri / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 13, 2014, 5:22 AM CDT for Boone County, Missouri. It was in force for 38 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 13, 2014, 5:22 AM CDT (10:22 UTC)
- Expired
- Apr 13, 2014, 6:00 AM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Boone County, MO
The radar
The St Louis radar (KLSX), 140 km from the middle of the area, began a volume at 10:24 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 13, 5:22 AM CDT | HAIL 0.25 | Columbia, MO | HAIL LASTED 6 MINUTES |
| Apr 13, 5:35 AM CDT | HAIL 0.5 | Columbia, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 10.4 hours before the alert went out and 254 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
- 840 J/kg
- Mixed-layer CIN
- -359 J/kg
- Mixed-layer LCL
- 1567 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 341 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
761
WUUS53 KLSX 131022
SVRLSX
MOC019-131100-
/O.NEW.KLSX.SV.W.0049.140413T1022Z-140413T1100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
522 AM CDT SUN APR 13 2014
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN BOONE COUNTY IN CENTRAL MISSOURI...
* UNTIL 600 AM CDT
* AT 521 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
OF COLUMBIA...AND MOVING EAST AT 30 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
* LOCATIONS IMPACTED INCLUDE...
COLUMBIA AND ASHLAND.
THIS WARNING INCLUDES JEWELL CEMETERY HISTORIC SITE AND ROCK BRIDGE
STATE PARK.
THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 121 TO EXIT 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3899 9243 3896 9215 3890 9217 3885 9214
3883 9215 3881 9214 3880 9216 3877 9216
3872 9220 3872 9224 3879 9238 3882 9239
3883 9244 3888 9248 3891 9249
TIME...MOT...LOC 1022Z 277DEG 25KT 3889 9238
HAIL...1.00IN
WIND...<50MPH
$$
KANOFSKY2 follow-up statements
048
WWUS53 KLSX 131029
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 AM CDT SUN APR 13 2014
MOC019-131100-
/O.CON.KLSX.SV.W.0049.000000T0000Z-140413T1100Z/
BOONE MO-
529 AM CDT SUN APR 13 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BOONE COUNTY UNTIL 600 AM CDT...
AT 528 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COLUMBIA...AND
MOVING EAST AT 30 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
LOCATIONS IMPACTED INCLUDE...
ASHLAND.
THIS WARNING INCLUDES JEWELL CEMETERY HISTORIC SITE AND ROCK BRIDGE
STATE PARK.
THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 126 TO EXIT 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3898 9234 3896 9215 3890 9217 3887 9216
3885 9214 3883 9215 3881 9214 3880 9216
3877 9216 3872 9220 3872 9224 3879 9238
3882 9239
TIME...MOT...LOC 1030Z 277DEG 25KT 3888 9231
HAIL...1.00IN
WIND...<50MPH
$$
KANOFSKY157
WWUS53 KLSX 131043
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
543 AM CDT SUN APR 13 2014
MOC019-131053-
/O.CAN.KLSX.SV.W.0049.000000T0000Z-140413T1100Z/
BOONE MO-
543 AM CDT SUN APR 13 2014
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BOONE COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA. HOWEVER...SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM AS IT MOVES THROUGH NORTHERN CALLAWAY COUNTY
BETWEEN NOW AND 615 AM.
LAT...LON 3898 9234 3896 9215 3890 9217 3887 9216
3885 9214 3883 9215 3881 9214 3880 9216
3877 9216 3872 9220 3872 9224 3879 9238
3882 9239
TIME...MOT...LOC 1043Z 277DEG 25KT 3887 9219
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:52 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 53 min |
| Apr 13, 8:19 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Louis | 41 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2014Every severe thunderstorm warning in 2014
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.