081 
WGUS53 KOAX 131025
FFWOAX
IAC133-NEC173-131330-
/O.NEW.KOAX.FF.W.0031.260813T1025Z-260813T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Omaha/Valley NE
525 AM CDT Thu Aug 13 2026

The National Weather Service in Omaha/Valley has issued a

* Flash Flood Warning for...
  Northern Monona County in west central Iowa...
  Thurston County in northeastern Nebraska...

* Until 830 AM CDT.

* At 525 AM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 2 and 5 inches of rain
  have fallen, with much of it falling in less than an hour.
  Additional rainfall amounts up to 1 inch are possible in the warned
  area. Flash flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flash flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other poor
           drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Onawa, Mapleton, Walthill, Whiting, Ute, Rosalie, Castana,
  Thurston, Macy, Rodney, Lewis And Clark State Park, Kennebec, Omaha
  Reservation and Winnebago Reservation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4223 9676 4222 9635 4221 9634 4221 9567
      4205 9567 4203 9622 4204 9623 4204 9625
      4205 9627 4205 9631 4202 9631 4202 9655
      4206 9656 4209 9656 4209 9662

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR

$$

Barjenbruch

799 
WGUS73 KOAX 131249
FFSOAX

Flash Flood Statement
National Weather Service Omaha/Valley NE
749 AM CDT Thu Aug 13 2026

IAC133-NEC173-131259-
/O.CAN.KOAX.FF.W.0031.000000T0000Z-260813T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monona IA-Thurston NE-
749 AM CDT Thu Aug 13 2026

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHERN MONONA AND THURSTON
COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.

&&

LAT...LON 4223 9676 4222 9635 4221 9634 4221 9567
      4205 9567 4203 9622 4204 9623 4204 9625
      4205 9627 4205 9631 4202 9631 4202 9655
      4206 9656 4209 9656 4209 9662

$$

ANW