Alert archive / Nebraska / Flash Flood Warnings in 2021
Flash Flood Warning 7, NWS Hastings, NE
NWS Hastings, NE issued this flash flood warning at Aug 22, 2021, 9:28 PM CDT for Furnas County, Harlan County, Nebraska. It was in force for 7 hr. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 22, 2021, 9:28 PM CDT (02:28 UTC)
- Expired
- Aug 23, 2021, 4:22 AM CDT
- In force
- 7 hr
- Issued by
- NWS Hastings, NE
- Area
- Storm-based polygon
- Flood severity
- None
Counties Furnas County, NE, Harlan County, NE
The radar
The Grand Island radar (KUEX), 100 km from the middle of the area, began a volume at 02:32 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 22, 9:30 PM CDT | HEAVY RAIN 4.94 | 6 Ese Oxford, NE | |
| Aug 22, 10:00 PM CDT | HEAVY RAIN 5.9 | 6 Ese Oxford, NE | |
| Aug 22, 11:00 PM CDT | HEAVY RAIN 7.13 | 6 Ese Oxford, NE | HEAVIEST HAS SHIFTED TO THE EAST OF THIS SITE. |
| Aug 22, 11:00 PM CDT | HEAVY RAIN 7.13 | 6 Ese Oxford, NE | HEAVIEST RAIN HAS SHIFTED TO THE EAST OF THIS SITE. |
| Aug 23, 3:30 AM CDT | FLASH FLOOD | 6 Nnw Orleans, NE | DELAYED REPORT FROM EARLY THIS MORNING. RESIDENT ALONG SCHOOL CREEK REPORTED THE CREEK WAS IN FLOOD AND OVER ROAD 716 FROM APPROXIMATELY 330-7 AM AND WATER GOT WITHIN 50 FEET OF HIS HOME. 5.40 INCHES OF RAIN MEASURED AT THIS LOCATION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.5 hours before the alert went out and 135 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
- 1090 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 2089 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted.
451
WGUS53 KGID 230228
FFWGID
NEC065-083-230630-
/O.NEW.KGID.FF.W.0007.210823T0228Z-210823T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Hastings NE
928 PM CDT Sun Aug 22 2021
The National Weather Service in Hastings has issued a
* Flash Flood Warning for...
East Central Furnas County in south central Nebraska...
West Central Harlan County in south central Nebraska...
* Until 130 AM CDT.
* At 928 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 4 and 6 inches of rain
have fallen in much of the Warning area as of 925 PM CDT,
including a mesonet station with 4.52 inches six miles
east-southeast of Oxford. Additional rainfall of 1 to 2 inches are
possible in the warned area over the next few hours. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
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 could experience flash flooding include...
Oxford, Orleans, Stamford and Hollinger.
This includes the following streams and drainages...
Methodist Creek, School Creek, Deep Creek, Rope Creek, Turkey
Creek, Flag Creek, Sappa Creek, Milrose Creek and Beaver Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4013 9966 4014 9972 4014 9975 4016 9987
4021 9987 4025 9971 4026 9939 4026 9932
4017 9933 4012 9939
FLASH FLOOD...RADAR INDICATED
$$
Pfannkuch3 follow-up statements
006
WGUS73 KGID 230345
FFSGID
Flash Flood Statement
National Weather Service Hastings NE
1045 PM CDT Sun Aug 22 2021
NEC065-083-230630-
/O.CON.KGID.FF.W.0007.000000T0000Z-210823T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Furnas NE-Harlan NE-
1045 PM CDT Sun Aug 22 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM CDT MONDAY FOR
EAST CENTRAL FURNAS AND WEST CENTRAL HARLAN COUNTIES...
At 1045 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area, although
it appears that heavy rain is finally starting to gradually end and
move out of the area. However, between 4 up to perhaps as much as 8
inches of rain have already fallen this evening per Doppler radar
estimates, and a mesonet gauge six miles east-southeast of Oxford
reported 6.64 inches as of 1030 PM CDT. As a result, lash flooding
is likely ongoing in parts of the area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that could experience flash flooding include...
Oxford, Orleans, Stamford and Hollinger. Of particular concern is
rural areas between Oxford and Orleans.
This Warning includes the following streams and drainages...
Methodist Creek, School Creek, Deep Creek, Rope Creek, Harlan
County Lake Area, Foster Creek, Turkey Creek, Flag Creek, Sappa
Creek, Milrose Creek and Beaver Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4013 9966 4014 9972 4014 9975 4016 9987
4021 9987 4025 9971 4026 9939 4026 9932
4017 9933 4012 9939
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Pfannkuch777
WGUS53 KGID 230508
FFWGID
NEC065-083-230930-
/O.EXT.KGID.FF.W.0007.000000T0000Z-210823T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Hastings NE
1208 AM CDT Mon Aug 23 2021
The National Weather Service in Hastings has extended the
* Flash Flood Warning for...
East Central Furnas County in south central Nebraska...
West Central Harlan County in south central Nebraska...
* Until 430 AM CDT.
* At 1208 AM CDT, Doppler radar estimates and automated rain gauges
indicated that thunderstorms earlier Sunday evening dropped as
much as 4 to perhaps 8 inches of rain, including a mesonet station
that measured 7.13 inches six miles east-southeast of Oxford.
Although rain had ended within the Warning area as of midnight
CDT, and any additional rain early Monday morning is expected to
be minimal, it is possible that flash flooding will continue to
affect parts of the area for a few more hours, particularly near
small creeks and streams.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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 could experience flash flooding include...
Oxford, Orleans, Stamford and Hollinger. Of particular concern is
rural areas between Oxford and Orleans.
This includes the following streams and drainages...
Methodist Creek, School Creek, Deep Creek, Rope Creek, Harlan
County Lake Area, Foster Creek, Turkey Creek, Flag Creek, Sappa
Creek, Republican River, Milrose Creek and Beaver Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4013 9966 4014 9972 4014 9975 4016 9987
4021 9987 4025 9971 4026 9939 4026 9932
4017 9933 4012 9939
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Pfannkuch311
WGUS73 KGID 230922
FFSGID
Flash Flood Statement
National Weather Service Hastings NE
422 AM CDT Mon Aug 23 2021
NEC065-083-230932-
/O.CAN.KGID.FF.W.0007.000000T0000Z-210823T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Furnas NE-Harlan NE-
422 AM CDT Mon Aug 23 2021
...FLASH FLOOD WARNING FOR EAST CENTRAL FURNAS AND WEST CENTRAL
HARLAN COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...
The heavy rain has ended, and the threat for life-threatening
flooding has diminished. Therefore the Flash Flood Warning is being
cancelled. An Areal Flood Warning remains in effect for this area
into Monday morning to account for continued runoff. Please continue
to heed remaining road closures.
LAT...LON 4013 9966 4014 9972 4014 9975 4016 9987
4021 9987 4025 9971 4026 9939 4026 9932
4017 9933 4012 9939
$$
MangelsThe office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:18 PM CDT | Special Weather Statement | GID | Sherman | 42 min |
| Aug 22, 7:26 PM CDT | Areal Flood Advisory | GID | Franklin, Furnas, Harlan | 9 hr |
| Aug 22, 7:39 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Dawson, Sherman | 26 min |
| Aug 22, 7:43 PM CDT | Severe Thunderstorm Warning | GID | Franklin, Harlan | 31 min |
| Aug 22, 8:11 PM CDT | Special Weather Statement | GID | Furnas, Harlan | 49 min |
| Aug 22, 8:13 PM CDT | Special Weather Statement | GID | Franklin | 47 min |
| Aug 22, 8:18 PM CDT | Special Weather Statement | GID | Howard, Merrick, Sherman | 42 min |
| Aug 22, 8:21 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Greeley, Hall, Howard, Merrick, Nance and 1 more | 39 min |
| Aug 22, 8:31 PM CDT | Severe Thunderstorm Warning | GID | Franklin, Nuckolls, Webster | 44 min |
| Aug 22, 8:52 PM CDT | Special Weather Statement | GID | Furnas, Harlan | 53 min |
| Aug 22, 8:57 PM CDT | Severe Thunderstorm Warning | GID | Franklin, Harlan, Kearney, Phelps | 48 min |
| Aug 22, 9:05 PM CDT | Areal Flood Advisory | GID | Furnas, Harlan | 7 hr |
| Aug 22, 9:15 PM CDT | Special Weather Statement | GID | Nuckolls, Webster | 45 min |
| Aug 22, 9:33 PM CDT | Special Weather Statement | GID | Franklin | 42 min |
| Aug 22, 9:47 PM CDT | Severe Thunderstorm Warning | GID | Franklin, Webster | 43 min |
| Aug 22, 10:26 PM CDT | Severe Thunderstorm Warning | GID | Webster | 49 min |
| Aug 22, 11:00 PM CDT | Areal Flood Advisory | GID | Franklin, Harlan, Webster | 8 hr |
| Aug 22, 11:27 PM CDT | Special Weather Statement | GID | Kearney | 48 min |
| Aug 22, 11:40 PM CDT | Special Weather Statement | GID | Thayer | 50 min |
| Aug 23, 12:14 AM CDT | Special Weather Statement | GID | Webster | 46 min |
| Aug 23, 12:38 AM CDT | Special Weather Statement | GID | Gosper, Phelps | 52 min |
| Aug 23, 1:22 AM CDT | Special Weather Statement | GID | Kearney | 23 min |
| Aug 23, 2:14 AM CDT | Special Weather Statement | GID | Webster | 31 min |
| Aug 23, 2:45 AM CDT | Special Weather Statement | GID | Nuckolls | 30 min |
| Aug 23, 4:19 AM CDT | Areal Flood Warning | GID | Furnas, Harlan | 6 hr |
| Aug 23, 5:06 AM CDT | Special Weather Statement | GID | Nuckolls | 39 min |
| Aug 23, 5:58 AM CDT | Special Weather Statement | GID | Nuckolls | 47 min |
| Aug 23, 6:21 AM CDT | Areal Flood Advisory | GID | Nuckolls, Webster | 5 hr |
| Aug 23, 9:54 AM CDT | Special Weather Statement | GID | Franklin | 36 min |
| Aug 23, 10:42 AM CDT | Special Weather Statement | GID | Webster | 33 min |
| Aug 23, 3:59 PM CDT | Heat Advisory | GID | Adams, Buffalo, Clay, Fillmore, Franklin, Hall and 12 more | 28 hr |
Nearby
Flash Flood Warnings in Nebraska, 2021Every flash flood 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.