Tornado Warning 20, NWS Des Moines, IA

Issued

Jul 14, 2021, 5:53 PM CDT (22:53 UTC)

Expired

Jul 14, 2021, 6:30 PM CDT

In force

37 min

Issued by

NWS Des Moines, IA

Area

Storm-based polygon

Tornado

Observed

Hail

1.0 in

Counties Black Hawk County, IA, Bremer County, IA

The La Crosse radar (KARX), 151 km from the middle of the area, began a volume at 22:55 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.

340 
WFUS53 KDMX 142253
TORDMX
IAC013-017-142330-
/O.NEW.KDMX.TO.W.0020.210714T2253Z-210714T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
553 PM CDT Wed Jul 14 2021

The National Weather Service in Des Moines  has issued a

* Tornado Warning for...
  Northeastern Black Hawk County in northeastern Iowa...
  Southeastern Bremer County in northeastern Iowa...

* Until 630 PM CDT.

* At 552 PM CDT, a confirmed tornado was located near Denver, or 12
  miles east of Waverly, moving east at 55 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Law enforcement reported a tornado has touched down 
           multiple times with this storm. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern Black Hawk and southeastern Bremer Counties, including
  the following locations... Readlyn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4265 9233 4275 9232 4280 9208 4260 9208
TIME...MOT...LOC 2252Z 270DEG 49KT 4270 9222 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Krull

196 
WWUS53 KDMX 142311
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
611 PM CDT Wed Jul 14 2021

IAC013-017-142330-
/O.CON.KDMX.TO.W.0020.000000T0000Z-210714T2330Z/
Black Hawk IA-Bremer IA-
611 PM CDT Wed Jul 14 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN BLACK HAWK AND SOUTHEASTERN BREMER COUNTIES...
    
At 610 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fairbank, or 10 miles west of Oelwein, moving east
at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation. This storm has a history of 
         producing a tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Readlyn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4264 9223 4276 9223 4280 9208 4260 9208
TIME...MOT...LOC 2310Z 267DEG 31KT 4271 9213 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Krull

995 
WWUS53 KDMX 142327
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
627 PM CDT Wed Jul 14 2021

IAC013-017-142337-
/O.EXP.KDMX.TO.W.0020.000000T0000Z-210714T2330Z/
Black Hawk IA-Bremer IA-
627 PM CDT Wed Jul 14 2021

...THE TORNADO WARNING FOR NORTHEASTERN BLACK HAWK AND SOUTHEASTERN
BREMER COUNTIES WILL EXPIRE AT 630 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 900 PM CDT for northeastern
Iowa.

LAT...LON 4264 9223 4276 9223 4280 9208 4260 9208
TIME...MOT...LOC 2327Z 270DEG 49KT 4271 9182 

$$

Krull

Tornado Warnings in Iowa, 2021Every tornado warning in 2021Tornadoes in 2021

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.