Alert archive / Iowa / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 30, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 19, 2021, 12:29 AM CDT for Appanoose County, Davis County, Iowa. It was in force for 46 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
- Jun 19, 2021, 12:29 AM CDT (05:29 UTC)
- Expired
- Jun 19, 2021, 1:15 AM CDT
- In force
- 46 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Appanoose County, IA, Davis County, IA
The radar
The Des Moines radar (KDMX), 149 km from the middle of the area, began a volume at 05:32 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 |
|---|---|---|---|
| Jun 18, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 5.5 hours before the alert went out and 211 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
- 4 J/kg
- Mixed-layer CIN
- -335 J/kg
- Mixed-layer LCL
- 2572 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
144
WUUS53 KDMX 190529
SVRDMX
IAC007-051-190615-
/O.NEW.KDMX.SV.W.0030.210619T0529Z-210619T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
1229 AM CDT Sat Jun 19 2021
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Southern Davis County in southeastern Iowa...
Eastern Appanoose County in south central Iowa...
* Until 115 AM CDT.
* At 1227 AM CDT, a severe thunderstorm was located near Centerville,
moving southeast at 40 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.
* This severe thunderstorm will remain over mainly rural areas of
southern Davis and eastern Appanoose Counties, including the
following locations... Lake Wapello State Park, Bloomfield
Municipal Airport, Moulton, Cincinnati, Udell, Exline, Sharon
Bluffs State Park, Unionville, Centerville Municipal Airport and
Drakesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4064 9297 4090 9265 4061 9218 4060 9220
4059 9282 4059 9286
TIME...MOT...LOC 0527Z 298DEG 39KT 4073 9279
HAIL...1.00IN
WIND...60MPH
$$
Martin2 follow-up statements
404
WWUS53 KDMX 190557
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
1257 AM CDT Sat Jun 19 2021
IAC007-051-190615-
/O.CON.KDMX.SV.W.0030.000000T0000Z-210619T0615Z/
Davis IA-Appanoose IA-
1257 AM CDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR SOUTHERN DAVIS AND SOUTHEASTERN APPANOOSE COUNTIES...
At 1256 AM CDT, a severe thunderstorm was located near Lancaster,
moving southeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Bloomfield, Drakesville and Bloomfield Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4061 9218 4060 9220 4059 9275 4082 9252
TIME...MOT...LOC 0556Z 298DEG 39KT 4060 9247
HAIL...1.00IN
WIND...60MPH
$$
Hagenhoff494
WWUS53 KDMX 190612
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
112 AM CDT Sat Jun 19 2021
IAC007-051-190621-
/O.EXP.KDMX.SV.W.0030.000000T0000Z-210619T0615Z/
Davis IA-Appanoose IA-
112 AM CDT Sat Jun 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN DAVIS AND
SOUTHEASTERN APPANOOSE COUNTIES WILL EXPIRE AT 115 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
south central and southeastern Iowa.
LAT...LON 4061 9218 4060 9220 4059 9275 4082 9252
TIME...MOT...LOC 0611Z 298DEG 39KT 4053 9231
$$
HagenhoffThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 9:56 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Madison, Marion, Warren | 49 min |
| Jun 18, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Madison, Union | 39 min |
| Jun 18, 10:39 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe, Wayne | 51 min |
| Jun 18, 10:43 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Madison, Union, Warren | 47 min |
| Jun 18, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe, Wapello | 45 min |
| Jun 18, 10:54 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 51 min |
| Jun 18, 11:05 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 25 min |
| Jun 18, 11:10 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 50 min |
| Jun 18, 11:14 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 46 min |
| Jun 18, 11:19 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 26 min |
| Jun 18, 11:22 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 53 min |
| Jun 18, 11:25 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 50 min |
| Jun 18, 11:32 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 28 min |
| Jun 18, 11:37 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Union | 53 min |
| Jun 18, 11:54 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Warren | 36 min |
| Jun 18, 11:55 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 50 min |
| Jun 18, 11:59 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Clarke, Madison, Ringgold, Union | 46 min |
| Jun 19, 12:13 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 26 min |
| Jun 19, 12:14 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 31 min |
| Jun 19, 12:25 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 35 min |
| Jun 19, 12:44 AM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Monroe | 31 min |
| Jun 19, 3:59 AM CDT | Special Weather Statement | DMX | Davis | 46 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2021Every severe thunderstorm warning in 2021
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.