Alert archive / Arizona / Flash Flood Warnings in 1992
Flash Flood Warning 5, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 29, 1992, 8:44 PM MST for Pima County, Arizona. It was in force for 86 min.
The area
The counties it named.
The facts
- Issued
- Jul 29, 1992, 8:44 PM MST (03:44 UTC)
- Expired
- Jul 29, 1992, 10:10 PM MST
- In force
- 86 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 3.7 hours before the alert went out and 84 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
- 1352 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 2273 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 300345 FFWTUS AZC019-300545- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 844 PM MST WED JUL 29 1992 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...EASTERN PIMA COUNTY AT 840 PM MST TUCSON RADAR...FLOOD ALERT SYSTEM AND LOCAL SPOTTER REPORTS INDICATED A SEVERE THUNDERSTORM OVER NORTH CENTRAL AND NORTHWEST TUCSON. ALSO REPORTS OF URBAN FLOODING HAVE BEEN RECIEVED. ALSO ADDITIONAL THUNDERSTORMS ARE INDICATED BY RADAR DEVELOPING JUST S OF THE METRO AREA. THESE THUNDERSTORMS WILL LIKELY AFFECT THE AREA WITH STRONG POSSIBLY DAMAGING WINDS...HEAVY RAIN WITH LOCALIZED FLOODING FOR THE NEXT ONE TO TWO HOURS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. SEVERE THUNDERSTORMS PJRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
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
Special weather statement, Jul 29, 5:07 PM MST, 3 hours 37 minutes before
AZC003-019-023-300200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 505 PM MST TUE JUL 7 1992 ...A FLASH FLOOD WATCH IS IN AFFECT UNTIL 10PM... AT 455 PM MST...NATIONAL WEATHER SERVICE RADAR...SATELLITE PICTURES AND LIGHTNING DETECTION DEVICES INDICATED STRONG THUNDERSTORMS IN THE VICINITY OF NOGALES. THESE STORMS WERE OVER AND JUST NORTH OF THE NOGALES AREA ALONG I-19. OTHER STRONG THUNDERSTORMS WERE ALONG A LINE FROM SAFFORD OVER BENSON TO NOGALES AND IN THE VICINITY OF THE ORGAN PIPE NATIONAL MONUMENT. REPORTS FROM DPS OFFICERS IN THE VICINITY OF NOGALES AND BENSON INDICATE HEAVY RAINS RESTRICTING VISIBILITY WERE OCCURRING ALONG I-19 AND I-10 IN THE VICINITY OZF THESE CITIES. MOTORIST SHOULD TAKE PRECAUTIONS AS DRIVING CONDITIONS WILL BECOME QUITE HAZARDOUS IN SOUTHEASTERN ARIZONA TONIGHT. DO NOT CROSS FLOODED ROADWAYS. > END...NORDQUIST
Special weather statement, Jul 29, 5:14 PM MST, 3 hours 30 minutes before
AZC003-019-023-300200- SPECIAL WEATHER STATEMENT...CORRECTION FOR DATE... NATIONAL WEATHER SERVICE TUCSON ARIZONA 505 PM MST WED JUL 29 1992 ...A FLASH FLOOD WATCH IS IN AFFECT UNTIL 10PM... AT 455 PM MST...NATIONAL WEATHER SERVICE RADAR...SATELLITE PICTURES AND LIGHTNING DETECTION DEVICES INDICATED STRONG THUNDERSTORMS IN THE VICINITY OF NOGALES. THESE STORMS WERE OVER AND JUST NORTH OF THE NOGALES AREA ALONG I-19. OTHER STRONG THUNDERSTORMS WERE ALONG A LINE FROM SAFFORD OVER BENSON TO NOGALES AND IN THE VICINITY OF THE ORGAN PIPE NATIONAL MONUMENT. REPORTS FROM DPS OFFICERS IN THE VICINITY OF NOGALES AND BENSON INDICATE HEAVY RAINS RESTRICTING VISIBILITY WERE OCCURRING ALONG I-f19 AND I-10 IN THE VICINITY OF THESE CITIES. MOTORIST SHOULD TAKE PRECAUTIONS AS DRIVING CONDITIONS WILL BECOME QUITE HAZARDOUS IN SOUTHEASTERN ARIZONA TONIGHT. DO NOT CROSS FLOODED ROADWAYS. > END...NORDQUIST
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 7:32 PM MST | Severe Thunderstorm Warning | TWC | Pima | 118 min |
| Jul 29, 8:44 PM MST | Severe Thunderstorm Warning | TWC | Pima | 86 min |
| Jul 29, 9:16 PM MST | Severe Thunderstorm Warning | TWC | Pima |
Nearby
Flash Flood Warnings in Arizona, 1992Every flash flood warning in 1992
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.