Alert archive / Nebraska / Flash Flood Warnings in 1993
Flash Flood Warning 48, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jul 23, 1993, 10:33 PM CDT for Richardson County, Nebraska. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1993, 10:33 PM CDT (03:33 UTC)
- Expired
- Jul 24, 1993, 4:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Richardson County, NE
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 3.6 hours before the alert went out and 125 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
- 5836 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 6.2
- Supercell composite
- 29.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Jul 23, 4:35 PM CDT, 5 hours 58 minutes before
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</html>Local storm report, Jul 23, 4:35 PM CDT, 5 hours 58 minutes before
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
Please try again in a few minutes.
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</html>Special weather statement, Jul 23, 8:30 PM CDT, 2 hours 3 minutes before
NEZ015-019-020-240230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN NE 830 PM CDT FRI JUL 23 1993 ...FLASH FLOOD WATCH FOR SOUTHEAST NEBRASKA TONIGHT... ...STRONG THUNDERSTORMS DEVELOPING ACROSS PAWNEE COUNTY... AT 820 PM RADAR INDICATED A AREA OF DEVELOPING THUNDERSTORMS ACROSS SOUTHEAST NEBRASKA. THE THUNDERSTORMS WERE IN AN AREA FROM EAST OF HUMBOLDT TO BAILYVILLE KANSAS. MOVEMENT WAS TO THE NORTHEAST AT 15 MPH. A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST NEBRASKA TONIGHT. ANY ADDITIONAL HEAVY RAINS COULD AGGREVATE FLOODING PROBLEMS. IF FLOODING IS OBSERVED OR A WARNING IS ISSUED...MOVE TO HIGHER GROUND IMMEDIATELY. LISTEN FOR LATER STATEMENTS. ZELL
Special weather statement, Jul 23, 8:30 PM CDT, 2 hours 3 minutes before
NEZ015-019-020-240230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN NE 830 PM CDT FRI JUL 23 1993 ...FLASH FLOOD WATCH FOR SOUTHEAST NEBRASKA TONIGHT... ...STRONG THUNDERSTORMS DEVELOPING ACROSS PAWNEE COUNTY... AT 820 PM RADAR INDICATED A AREA OF DEVELOPING THUNDERSTORMS ACROSS SOUTHEAST NEBRASKA. THE THUNDERSTORMS WERE IN AN AREA FROM EAST OF HUMBOLDT TO BAILYVILLE KANSAS. MOVEMENT WAS TO THE NORTHEAST AT 15 MPH. A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST NEBRASKA TONIGHT. ANY ADDITIONAL HEAVY RAINS COULD AGGREVATE FLOODING PROBLEMS. IF FLOODING IS OBSERVED OR A WARNING IS ISSUED...MOVE TO HIGHER GROUND IMMEDIATELY. LISTEN FOR LATER STATEMENTS. ZELL
Special weather statement, Jul 23, 9:12 PM CDT, 1 hour 21 minutes before
NEZ010-020-IAZ080-090-091-240315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 912 PM CDT FRI JUL 23 1993 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHEAST NEBRASKA... THUNDERSTORMS THAT DEVELOPED OVER EXTREME SOUTHEAST NEBRASKA CONTINUE TO HOLD TOGETHER AND WERE MOVING EAST AT AROUND 15 MPH. SINCE 830 PM OTHER STORMS DEVELOPED RAPIDLY TO THE SOUTHWEST OF NEBRASKA CITY AND A CELL DEVELOPED NEAR CLARINDA IOWA. AS THE STORM MOVED THROUGH PAWNEE CITY IT PRODUCED MODERATE RAIN AND AT DUBOIS IS DROPPED /.45/ OF IN INCH IN 15 MINUTES. SO FAR THESE STORMS HAVE PRODUCED NO SEVERE WEATHER. KLISH
Special weather statement, Jul 23, 9:14 PM CDT, 1 hour 19 minutes before
NEZ010-020-IAZ080-090-091-240315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 912 PM CDT FRI JUL 23 1993 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHEAST NEBRASKA... THUNDERSTORMS THAT DEVELOPED OVER EXTREME SOUTHEAST NEBRASKA CONTINUE TO HOLD TOGETHER AND WERE MOVING EAST AT AROUND 15 MPH. SINCE 830 PM OTHER STORMS DEVELOPED RAPIDLY TO THE SOUTHWEST OF NEBRASKA CITY AND A CELL DEVELOPED NEAR CLARINDA IOWA. AS THE STORM MOVED THROUGH PAWNEE CITY IT PRODUCED MODERATE RAIN AND AT DUBOIS IS DROPPED /.45/ OF IN INCH IN 15 MINUTES. SO FAR THESE STORMS HAVE PRODUCED NO SEVERE WEATHER. KLISH
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 9:34 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 56 min |
| Jul 23, 10:12 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha, Pawnee | 48 min |
| Jul 23, 10:56 PM CDT | Flash Flood Warning | OAX | Nemaha | 5 hr |
| Jul 23, 11:36 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 39 min |
| Jul 24, 12:55 AM CDT | Severe Thunderstorm Warning | OAX | Nemaha | 35 min |
| Jul 24, 2:53 AM CDT | Flash Flood Warning | OAX | Cass | 6 hr |
| Jul 24, 4:20 AM CDT | Flash Flood Warning | OAX | Lancaster | 5 hr |
| Jul 24, 4:37 AM CDT | Flash Flood Warning | OAX | Seward | 4 hr |
| Jul 24, 6:57 PM CDT | Tornado Warning | OAX | Saline | 33 min |
| Jul 24, 4:20 AM CDT | Flash Flood Warning | OAX | Fremont | 4 hr |
| Jul 24, 5:20 AM CDT | Flash Flood Warning | OAX | Mills | 5 hr |
Nearby
Flash Flood Warnings in Nebraska, 1993Every flash flood warning in 1993
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.