Alert archive / Missouri / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Feb 20, 2016, 7:18 PM CST for Franklin County, Missouri. It was in force for 42 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
- Feb 20, 2016, 7:18 PM CST (01:18 UTC)
- Expired
- Feb 20, 2016, 8:00 PM CST
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Franklin County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 20, 7:40 PM CST | HAIL 0.75 | Union, MO | |
| Feb 20, 8:04 PM CST | HAIL 0.7 | Lonedell, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 277 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
- 2731 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
031
WUUS53 KLSX 210118
SVRLSX
MOC071-210200-
/O.NEW.KLSX.SV.W.0003.160221T0118Z-160221T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
718 PM CST SAT FEB 20 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 800 PM CST
* AT 718 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR BEAUFORT...
MOVING EAST AT 25 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
* LOCATIONS IMPACTED INCLUDE...
WASHINGTON...UNION...PACIFIC...ST. CLAIR...GRAY SUMMIT...VILLA
RIDGE...PARKWAY...LONEDELL...BEAUFORT...CATAWISSA...ROBERTSVILLE...
NOSER MILL...LYON AND MOSELLE.
THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 239 AND 257.
THIS WARNING ALSO INCLUDES ROBERTSVILLE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3836 9120 3854 9118 3854 9094 3853 9093
3854 9090 3854 9074 3842 9074 3829 9077
TIME...MOT...LOC 0118Z 272DEG 21KT 3846 9112
HAIL...1.00IN
WIND...<50MPH
$$
CARNEYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 6:18 PM CST | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Washington | 42 min |
| Feb 20, 6:46 PM CST | Severe Thunderstorm Warning | LSX | Jefferson | 44 min |
| Feb 20, 7:59 PM CST | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 46 min |
| Feb 20, 9:07 PM CST | Areal Flood Advisory | LSX | Franklin, Jefferson, Washington | 4 hr |
| Feb 20, 9:22 PM CST | Flash Flood Warning | LSX | Franklin, Jefferson | 4 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2016Every severe thunderstorm warning in 2016
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.