Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 28, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 1, 2017, 3:11 AM CST for Iron County, Reynolds County, Missouri. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 1, 2017, 3:11 AM CST (09:11 UTC)
- Expired
- Mar 1, 2017, 3:47 AM CST
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Iron County, MO, Reynolds County, MO
The radar
The St Louis radar (KLSX), 162 km from the middle of the area, began a volume at 09:11 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 28, 9:04 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 9.2 hours before the alert went out and 251 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
- 1117 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 931 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 8.2
The text
As transmitted.
960
WUUS53 KLSX 010911
SVRLSX
MOC093-179-011000-
/O.NEW.KLSX.SV.W.0028.170301T0911Z-170301T1000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
311 AM CST WED MAR 1 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Southern Iron County in southeastern Missouri...
Reynolds County in southeastern Missouri...
* Until 400 AM CST.
* At 311 AM CST, a severe thunderstorm was located 9 miles south of
Bunker, moving east at 80 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Ironton, Reynolds, Ellington, Arcadia, Bunker, Annapolis, Glover,
Oates, Garwood, Centerville, Des Arc, Corridon, Redford, Hogan,
Vulcan, Black, Sabula, Chloride and Lesterville.
This also includes Johnsons Shut-Ins State Park, Taum Sauk Mountain
State Park, and Clearwater Lake Recreational Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 400 AM CST for southeastern
Missouri.
LAT...LON 3705 9096 3710 9096 3710 9102 3717 9103
3716 9107 3720 9109 3720 9113 3725 9112
3726 9116 3732 9118 3741 9118 3742 9121
3750 9121 3751 9131 3759 9131 3760 9055
3727 9055 3727 9074 3717 9074 3705 9078
TIME...MOT...LOC 0911Z 265DEG 68KT 3732 9121
HAIL...1.00IN
WIND...60MPH
$$
Glass2 follow-up statements
661
WWUS53 KLSX 010929
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
329 AM CST WED MAR 1 2017
MOC093-179-011000-
/O.CON.KLSX.SV.W.0028.000000T0000Z-170301T1000Z/
Iron MO-Reynolds MO-
329 AM CST WED MAR 1 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CST
FOR SOUTHEASTERN IRON AND REYNOLDS COUNTIES...
At 329 AM CST, a severe thunderstorm was located near Annapolis,
moving east at 85 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Ironton, Ellington, Arcadia, Annapolis, Glover, Garwood, Centerville,
Des Arc, Redford, Hogan, Vulcan, Black, Sabula, Chloride and
Lesterville.
This also includes Johnsons Shut-Ins State Park, Taum Sauk Mountain
State Park, and Clearwater Lake Recreational Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 400 AM CST for southeastern
Missouri.
LAT...LON 3705 9096 3710 9096 3710 9102 3717 9103
3716 9107 3720 9109 3720 9113 3725 9112
3729 9116 3736 9106 3759 9101 3760 9055
3727 9055 3727 9074 3717 9074 3705 9078
TIME...MOT...LOC 0929Z 254DEG 76KT 3741 9075
HAIL...1.00IN
WIND...60MPH
$$
Glass721
WWUS53 KLSX 010947
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
347 AM CST WED MAR 1 2017
MOC093-179-010957-
/O.CAN.KLSX.SV.W.0028.000000T0000Z-170301T1000Z/
Iron MO-Reynolds MO-
347 AM CST WED MAR 1 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN IRON AND REYNOLDS
COUNTIES 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. However gusty winds and heavy rain are still
possible with this thunderstorm.
A tornado watch remains in effect until 400 AM CST for southeastern
Missouri.
LAT...LON 3705 9096 3710 9096 3710 9102 3717 9103
3716 9107 3720 9109 3720 9113 3725 9112
3729 9116 3736 9106 3759 9101 3760 9055
3727 9055 3727 9074 3717 9074 3705 9078
TIME...MOT...LOC 0945Z 265DEG 68KT 3744 9031
$$
GlassThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 6:14 PM CST | Tornado Warning | LSX | Reynolds | 30 min |
| Feb 28, 6:16 PM CST | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 44 min |
| Feb 28, 6:56 PM CST | Tornado Warning | LSX | Iron, Madison, Reynolds, Saint Francois | 34 min |
| Feb 28, 6:59 PM CST | Severe Thunderstorm Warning | LSX | Iron, Madison, Sainte Genevieve, Saint Francois | 46 min |
| Feb 28, 7:30 PM CST | Tornado Warning | LSX | Madison, Sainte Genevieve, Saint Francois | 19 min |
| Feb 28, 7:34 PM CST | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 17 min |
| Feb 28, 7:57 PM CST | Severe Thunderstorm Warning | LSX | Marion, Monroe, Shelby | 48 min |
| Feb 28, 8:29 PM CST | Severe Thunderstorm Warning | LSX | Marion, Ralls | 33 min |
| Feb 28, 8:37 PM CST | Tornado Warning | LSX | Marion, Ralls | 27 min |
| Feb 28, 9:19 PM CST | Severe Thunderstorm Warning | LSX | Madison | 17 min |
| Feb 28, 9:23 PM CST | Tornado Warning | LSX | Madison | 11 min |
| Feb 28, 11:04 PM CST | Severe Thunderstorm Warning | LSX | Boone, Moniteau | 41 min |
| Mar 1, 1:43 AM CST | Special Weather Statement | LSX | Crawford, Franklin, Washington | 47 min |
| Mar 1, 1:56 AM CST | Special Weather Statement | LSX | Saint Louis, City of Saint Louis | 34 min |
| Mar 1, 2:15 AM CST | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 34 min |
| Mar 1, 2:17 AM CST | Special Weather Statement | LSX | Iron, Sainte Genevieve, Saint Francois, Washington | 43 min |
| Mar 1, 3:37 AM CST | Special Weather Statement | LSX | Madison | 23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.