Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 252, NWS Omaha, NE

June 13, 2026Boone County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 13, 2026, 4:53 AM CDT for Boone County, Nebraska. It was in force for 37 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 13, 2026, 4:53 AM CDT (09:53 UTC)
Expired
Jun 13, 2026, 5:30 AM CDT
In force
37 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Boone County, NE

The radar

The Omaha radar (KOAX), 161 km from the middle of the area, began a volume at 09:53 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 13, 4:42 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 9.9 hours before the alert went out and 161 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 2026-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2026-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2468 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

632 
WUUS53 KOAX 130953
SVROAX
NEC011-131045-
/O.NEW.KOAX.SV.W.0252.260613T0953Z-260613T1045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
453 AM CDT Sat Jun 13 2026

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Northwestern Boone County in northeastern Nebraska...

* Until 545 AM CDT.

* At 453 AM CDT, a severe thunderstorm was located 10 miles east of
  Bartlett, or 21 miles northwest of Albion, moving east at 25 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...
  Petersburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4180 9829 4191 9829 4191 9797 4172 9801
      4175 9830
TIME...MOT...LOC 0953Z 275DEG 20KT 4186 9835 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Petersen
2 follow-up statements
272 
WWUS53 KOAX 131015
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
515 AM CDT Sat Jun 13 2026

NEC011-131045-
/O.CON.KOAX.SV.W.0252.000000T0000Z-260613T1045Z/
Boone NE-
515 AM CDT Sat Jun 13 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT
FOR NORTHWESTERN BOONE COUNTY...

At 515 AM CDT, a severe thunderstorm was located 6 miles west of
Petersburg, or 16 miles northwest of Albion, moving east at 30 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...
Petersburg and Loretto.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4180 9829 4191 9829 4191 9797 4172 9801
      4175 9830
TIME...MOT...LOC 1015Z 270DEG 24KT 4188 9819 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Petersen
553 
WWUS53 KOAX 131030
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
530 AM CDT Sat Jun 13 2026

NEC011-131040-
/O.CAN.KOAX.SV.W.0252.000000T0000Z-260613T1045Z/
Boone NE-
530 AM CDT Sat Jun 13 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BOONE COUNTY 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.

A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for
northeastern Nebraska.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Omaha.

&&

LAT...LON 4180 9829 4191 9829 4191 9797 4172 9801
      4175 9830
TIME...MOT...LOC 1030Z 275DEG 20KT 4187 9807 

$$

Petersen

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 12:47 AM CDT, 4 hours 6 minutes earlier. Its key messages:

  • Shower and thunderstorm chances return Saturday morning with additional thunderstorms expected during the afternoon and evening. A few strong to severe thunderstorms will be possible, especially during the afternoon and evening.
  • Cooler weather is expected Sunday into early next week, with temperatures trending back up Tuesday into Wednesday.
  • Our next chance for rain appears to be on Wednesday with increasing uncertainty beyond this timeframe.
Area forecast discussion, Jun 13, 12:47 AM CDT, 4 hours 6 minutes before
Area Forecast Discussion
National Weather Service Omaha/Valley NE
1247 AM CDT Sat Jun 13 2026

.KEY MESSAGES...

- Shower and thunderstorm chances return Saturday morning with
  additional thunderstorms expected during the afternoon and
  evening. A few strong to severe thunderstorms will be
  possible, especially during the afternoon and evening.

- Cooler weather is expected Sunday into early next week, with
  temperatures trending back up Tuesday into Wednesday.

- Our next chance for rain appears to be on Wednesday with
  increasing uncertainty beyond this timeframe.

&&

.DISCUSSION...
Issued at 1056 PM CDT Fri Jun 12 2026

After a quiet Friday, thunderstorms return to the forecast early
Saturday morning. These thunderstorms will be in response to
moisture return on a low-level jet impinging on a slowly sagging
cold front. Elevated showers and thunderstorms are expected to
develop over portions of eastern Nebraska prior to sunrise.
These thunderstorms will be in an environment that is forecast
to have sufficient instability and shear for the development of
large hail in the strongest cells. A damaging microburst can't
be entirely ruled out also. These thunderstorms gradually shift
east of the area through the remainder of the morning hours.

There is a bit of uncertainty on how the remainder of Saturday
will transpire. Some of this evening's guidance tends to keep at
least some weak convection along the cold front into the early
afternoon, accelerating it's advance southward. Other guidance,
has a lull in activity until later in the afternoon and
evening, slowing the front's advance. In either event, a
digging trough over the northern Rockies tonight will sink
towards our area by afternoon. This will act to support the
development of additional thunderstorms along the cold front. At
this time, most of this convection is forecast to remain south
of Interstate 80. With plentiful instability and wind shear, a
risk of severe weather is anticipated. Large hail and damaging
winds will be the main threats, but an isolated tornado remains
possible if a discrete cell can remain ahead of the front. In
addition, flash flooding is possible with westerly upper-level
flow supporting potential training of thunderstorms along the
east-west oriented front. It should be noted, that if early day
convection lingers, this could inhibit later convection, so we
will have to closely monitor forecast trends.

By evening, the cold front and any associated thunderstorms will
push south and out of the region. A gusty north wind will fill
in behind the front, ushering cooler temperatures. High pressure
and cooler weather settles in on Sunday into early next week.
Tuesday into Wednesday sees temperatures begin to climb once
again as the pattern amplifies ahead of our next potential
weather system on Wednesday. Wednesday afternoon and evening
appears to be our next chance of rain for the area. After
Wednesday's system, forecast model guidance begins to diverge
and significant uncertainty remains on the exact evolution of
the forecast pattern in the extended forecast.

&&

.AVIATION /06Z TAFS THROUGH 06Z SUNDAY/...
Issued at 1232 AM CDT Sat Jun 13 2026

KOFK: VFR conditions prevail through around 10Z for the
terminal. Expect thunderstorms to potentially impact the
terminal between 10Z and 12Z, moving in from the west. There is
an additional chance for a few showers or isolated thunderstorms
in the vicinity of the terminal between 19Z and 22Z. This chance
was omitted from prevailing conditions for now due to low
confidence of more than a spotty shower/storm impacting the
terminal. Better chances for this secondary period will be
southeast toward KLNK. Light and variable winds are expected
through 15Z before becoming northerly around 12-18kts.

KOMA: VFR conditions prevail through the overnight hours and
into tomorrow morning. Expect winds to become light and variable
overnight, transitioning to the north by 21Z. There will be a
chance of a few strong to marginally severe thunderstorms moving
through the area this morning, generally between 13Z and 16Z at
the terminal. Gusty winds and maybe some hail will be possible.
There will be a break in the thunderstorm action for a few
hours, with another chance for storms beginning around 21Z.

KLNK: VFR conditions will prevail overnight at the terminal.
Expect an increase in clouds over the next few hours as our next
storm system moves in from the west. Thunderstorms may impact
the terminal between 12Z and 14Z. After a lull in storm
potential for the rest of the morning, there is a second chance
for thunderstorms after 21Z. Winds will be light and variable
overnight, becoming northerly around 12-18kts by 21Z.

&&

.OAX WATCHES/WARNINGS/ADVISORIES...
NE...None.
IA...None.

&&

DISCUSSION...Chehak
AVIATION...ANW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 5:32 AM CDTSevere Thunderstorm WarningOAXBoone43 min
Jun 13, 6:59 AM CDTSevere Thunderstorm WarningOAXColfax, Platte22 min
Jun 13, 8:06 AM CDTSpecial Weather StatementOAXDouglas, Sarpy, Saunders39 min
Jun 13, 8:13 AM CDTSevere Thunderstorm WarningOAXCass, Dodge, Douglas, Sarpy, Saunders, Washington47 min
Jun 13, 8:38 AM CDTSevere Thunderstorm WarningOAXCass, Douglas, Sarpy, Washington52 min
Jun 13, 8:52 AM CDTAreal Flood AdvisoryOAXDouglas, Sarpy2 hr
Jun 13, 4:32 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson43 min
Jun 13, 4:54 PM CDTSevere Thunderstorm WarningOAXPawnee, Richardson51 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2026Every severe thunderstorm warning in 2026

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.