Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Omaha, NE

May 2, 2021Burt County, Dodge County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 2, 2021, 7:57 PM CDT for Burt County, Dodge County, Nebraska. It was in force for 29 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
May 2, 2021, 7:57 PM CDT (00:57 UTC)
Expired
May 2, 2021, 8:26 PM CDT
In force
29 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

Counties Burt County, NE, Dodge County, NE

The radar

The Omaha radar (KOAX), 44 km from the middle of the area, began a volume at 00:56 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 nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.0 hours before the alert went out and 44 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.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1198 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1198 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1730 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

664 
WUUS53 KOAX 030057
SVROAX
NEC021-053-030145-
/O.NEW.KOAX.SV.W.0013.210503T0057Z-210503T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
757 PM CDT Sun May 2 2021

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Southwestern Burt County in east central Nebraska...
  Northeastern Dodge County in east central Nebraska...

* Until 845 PM CDT.

* At 757 PM CDT, a severe thunderstorm was located over Uehling, or
  41 miles northwest of Omaha, moving east at 10 mph.

  HAZARD...Ping pong ball size hail.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect 
           damage to roofs, siding, windows, and vehicles.

* Locations impacted include...
  Uehling, Craig and Summit Lake State Recreation Area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4168 9638 4168 9644 4166 9644 4165 9650
      4180 9656 4187 9633 4172 9623
TIME...MOT...LOC 0057Z 249DEG 8KT 4174 9650 

HAIL...1.50IN
WIND...<50MPH
 
$$

Fajman
2 follow-up statements
709 
WWUS53 KOAX 030119
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
819 PM CDT Sun May 2 2021

NEC021-053-030145-
/O.CON.KOAX.SV.W.0013.000000T0000Z-210503T0145Z/
Burt NE-Dodge NE-
819 PM CDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHWESTERN BURT AND NORTHEASTERN DODGE COUNTIES...

At 819 PM CDT, a severe thunderstorm was located near Uehling, or 40
miles northwest of Omaha, moving east at 10 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Uehling, Craig and Summit Lake State Recreation Area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4166 9644 4165 9650 4180 9656 4187 9633
      4172 9623 4168 9638 4168 9644
TIME...MOT...LOC 0119Z 249DEG 8KT 4176 9644 

HAIL...1.00IN
WIND...<50MPH
 
$$

Fajman
176 
WWUS53 KOAX 030126
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
826 PM CDT Sun May 2 2021

NEC021-053-030136-
/O.CAN.KOAX.SV.W.0013.000000T0000Z-210503T0145Z/
Burt NE-Dodge NE-
826 PM CDT Sun May 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BURT AND
NORTHEASTERN DODGE COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 4166 9644 4165 9650 4180 9656 4187 9633
      4172 9623 4168 9638 4168 9644
TIME...MOT...LOC 0123Z 249DEG 8KT 4177 9642 

$$

Fajman

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 7:21 PM CDTSevere Thunderstorm WarningOAXWashington39 min
May 2, 7:33 PM CDTSevere Thunderstorm WarningOAXButler42 min
May 2, 8:07 PM CDTSevere Thunderstorm WarningOAXBurt28 min
May 2, 8:18 PM CDTAreal Flood AdvisoryOAXButler3 hr
May 2, 8:52 PM CDTSevere Thunderstorm WarningOAXButler, Seward38 min
May 2, 8:54 PM CDTSevere Thunderstorm WarningOAXBurt36 min
May 2, 9:01 PM CDTSevere Thunderstorm WarningOAXButler, Colfax, Platte29 min
May 2, 9:38 PM CDTSevere Thunderstorm WarningOAXBurt, Dodge, Washington28 min
May 2, 10:41 PM CDTSpecial Weather StatementOAXCass, Douglas, Lancaster, Otoe, Sarpy, Saunders and 1 more34 min
May 2, 11:05 PM CDTSpecial Weather StatementOAXCass, Douglas, Lancaster, Otoe, Sarpy, Saunders and 1 more10 min
May 2, 11:18 PM CDTSpecial Weather StatementOAXCass, Douglas, Lancaster, Sarpy, Saunders, Seward and 1 more42 min
May 2, 11:43 PM CDTSpecial Weather StatementOAXCass, Douglas, Lancaster, Otoe, Sarpy47 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 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.