Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 41, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 29, 2017, 7:22 PM CDT for Callaway County, Missouri. It was in force for 27 min. 3 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
- Mar 29, 2017, 7:22 PM CDT (00:22 UTC)
- Expired
- Mar 29, 2017, 7:49 PM CDT
- In force
- 27 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Callaway County, MO
The radar
The St Louis radar (KLSX), 115 km from the middle of the area, began a volume at 00:22 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 |
|---|---|---|---|
| Mar 29, 7:29 PM CDT | HAIL 0.88 | 1 N Mokane, MO | |
| Mar 29, 7:37 PM CDT | HAIL 1.75 | 2 E Fulton, MO | |
| Mar 29, 7:38 PM CDT | HAIL 1.75 | 2 Ene Fulton, 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, 0.4 hours before the alert went out and 257 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
- 708 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.6
The text
As transmitted.
989
WUUS53 KLSX 300022
SVRLSX
MOC027-300100-
/O.NEW.KLSX.SV.W.0041.170330T0022Z-170330T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
722 PM CDT WED MAR 29 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Central Callaway County in central Missouri...
* Until 800 PM CDT.
* At 722 PM CDT, a severe thunderstorm was located near Lake Mykee,
moving north at 50 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Fulton, Holts Summit, New Bloomfield, Lake Mykee Town, Lake Mykee,
Mokane, Kingdom City, Wainwright, Carrington, Tebbetts, Guthrie and
Steedman.
This includes Interstate 70 in Missouri between exits 137 and 155.
This also includes Clarks Hill/Norton Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3881 9214 3881 9213 3882 9214 3897 9214
3895 9179 3868 9179 3868 9181 3867 9187
3863 9190 3856 9202 3856 9211 3857 9214
TIME...MOT...LOC 0022Z 187DEG 43KT 3865 9201
HAIL...1.00IN
WIND...<50MPH
$$
Tilly2 follow-up statements
966
WWUS53 KLSX 300040
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
740 PM CDT WED MAR 29 2017
MOC027-300100-
/O.CON.KLSX.SV.W.0041.000000T0000Z-170330T0100Z/
Callaway MO-
740 PM CDT WED MAR 29 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR CENTRAL CALLAWAY COUNTY...
At 739 PM CDT, a severe thunderstorm was located over Fulton, moving
north at 50 mph. The storm is weakening rapidly, but may strengthen
again.
HAZARD...Golf ball size hail.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
Locations impacted include...
Fulton, New Bloomfield, Kingdom City, Guthrie and Carrington.
This includes Interstate 70 in Missouri between exits 137 and 155.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3882 9214 3897 9214 3895 9179 3876 9179
3872 9213 3881 9214 3881 9213
TIME...MOT...LOC 0039Z 187DEG 43KT 3886 9198
HAIL...1.75IN
WIND...<50MPH
$$
Tilly826
WWUS53 KLSX 300049
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
749 PM CDT WED MAR 29 2017
MOC027-300059-
/O.CAN.KLSX.SV.W.0041.000000T0000Z-170330T0100Z/
Callaway MO-
749 PM CDT WED MAR 29 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CALLAWAY COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 3882 9214 3897 9214 3895 9179 3876 9179
3872 9213 3881 9214 3881 9213
TIME...MOT...LOC 0048Z 187DEG 43KT 3898 9196
$$
TillyThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 8:34 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Ralls | 26 min |
| Mar 29, 8:46 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 59 min |
| Mar 29, 8:55 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 35 min |
| Mar 29, 9:57 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole | 36 min |
| Mar 30, 10:55 AM CDT | Special Weather Statement | LSX | Franklin | 35 min |
| Mar 30, 11:12 AM CDT | Special Weather Statement | LSX | Saint Charles, Saint Louis | 33 min |
| Mar 30, 11:25 AM CDT | Special Weather Statement | LSX | Saint Charles | 35 min |
| Mar 30, 12:05 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 40 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2017Every severe thunderstorm warning in 2017
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.