Alert archive / Arizona / Flash Flood Warnings in 1993
Flash Flood Warning 6, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 8, 1993, 7:25 PM MST for Pima County, Arizona. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1993, 7:25 PM MST (02:25 UTC)
- Expired
- Jul 8, 1993, 9:30 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 2.4 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
- 1061 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 2910 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 11 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 090227 FFWTUS AZC019-090430- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 725 PM MST THU JUL 8 1993 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 930 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...NORTHEASTERN PIMA COUNTY A FLASH FLOOD WARNING IS IN EFFECT FOR THE SABINO CANYON AREA. AUTOMATIC RAIN GAGES, AND SPOTTER REPORTS INDICATE THAT MORE THAN ONE INCH OF RAIN HAS FALLEN IN THE PAST 45 MINUTES. WATER IN ALAMO WASH HAS RISEN ALMOST A FOOT IN THE PAST HALF HOUR. 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. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. 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. BARTOLOME
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 8, 2:21 PM MST, 5 hours 4 minutes before
AZC003-019-023-090030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 221 PM MST THU JUL 8 1993 ...THUNDERSTORM ACTIVITY DEVELOPING IN SANTA CRUZ AND COCHISE COUNTIES... AT 215 PM MST NATIONAL WEATHER SERVICE RADAR IN TUCSON AND VISUAL REPORTS INDICATED THUNDERSTORMS DEVELOPING IN SANTA CRUZ AND SOUTHERN COCHISE COUNTIES. THE STRONGEST CELL WAS LOCATED 10 MILES SOUTH OF SIERRA VISTA AND MOVEMENT OF MOST ACTIVITY WAS EITHER STATIONARY OR SLOWLY TO THE WEST. FT HUACHUCA MILITARY INSTALLATION REPORTED A WIND GUST TO 43 MPH FROM A THUNDERSTORM OUTFLOW AT 148 PM MST. THUNDERSTORM DEVELOPMENT IS POSSIBLE THE REST OF THE AFTERNOON THROUGHOUT SOUTHEAST ARIZONA...INCLUDING SANTA CRUZ...COCHISE...AND EASTERN PIMA COUNTIES. ACTIVITY SHOULD DECREASE SIGNIFICANTLY AFTER SUNSET. EVERYONE SHOULD STAY ALERT TO ANY POSSIBLE THUNDERSTORM ACTIVITY IN THEIR AREA...AND BE PREPARED FOR GUSTY WINDS...FREQUENT LIGHTNING...HEAVY RAINS...AND POSSIBLE SMALL HAIL. FURTHER STATEMENTS OR WARNINGS WILL BE ISSUED AS NECESSARY. END...MEYER
Special weather statement, Jul 8, 2:23 PM MST, 5 hours 2 minutes before
AZC003-019-023-090030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 221 PM MST THU JUL 8 1993 ...THUNDERSTORM ACTIVITY DEVELOPING IN SANTA CRUZ AND COCHISE COUNTIES... AT 215 PM MST NATIONAL WEATHER SERVICE RADAR IN TUCSON AND VISUAL REPORTS INDICATED THUNDERSTORMS DEVELOPING IN SANTA CRUZ AND SOUTHERN COCHISE COUNTIES. THE STRONGEST CELL WAS LOCATED 10 MILES SOUTH OF SIERRA VISTA AND MOVEMENT OF MOST ACTIVITY WAS EITHER STATIONARY OR SLOWLY TO THE WEST. FT HUACHUCA MILITARY INSTALLATION REPORTED A WIND GUST TO 43 MPH FROM A THUNDERSTORM OUTFLOW AT 148 PM MST. THUNDERSTORM DEVELOPMENT IS POSSIBLE THE REST OF THE AFTERNOON THROUGHOUT SOUTHEAST ARIZONA...INCLUDING SANTA CRUZ...COCHISE...AND EASTERN PIMA COUNTIES. ACTIVITY SHOULD DECREASE SIGNIFICANTLY AFTER SUNSET. EVERYONE SHOULD STAY ALERT TO ANY POSSIBLE THUNDERSTORM ACTIVITY IN THEIR AREA...AND BE PREPARED FOR GUSTY WINDS...FREQUENT LIGHTNING...HEAVY RAINS...AND POSSIBLE SMALL HAIL. FURTHER STATEMENTS OR WARNINGS WILL BE ISSUED AS NECESSARY. END...MEYER
Special weather statement, Jul 8, 3:44 PM MST, 3 hours 41 minutes before
AZC003-019-023-090345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 344 PM MST THU JUL 8 1993 AT 330 PM MST...RADAR...LIGHTNING DETECTORS...AND SATELLITE PICTURES INDICATED SCATTERED THUNDERSTORMS WERE OCCURRING IN EASTERN PIMA... SANTA CRUZ...AND COCHISE COUNTIES OF SOUTHEAST ARIZONA. SOME OF THESE STORMS WERE OCCASIONALLY BECOMING QUITE STRONG...DROPPING LOCALLY HEAVY RAIN...CAUSING SOME GUSTY WIND...AND PRODUCING CONSIDERABLE LIGHTNING. SMALL HAIL MAY ALSO OCCUR FROM A FEW OF THESE STORMS THIS THURSDAY AFTERNOON AND EVENING. AS OF 330 PM...THE THUNDERSTORMS WERE SHOWING VERY LITTLE MOVEMENT... WITH MOST OF THE DEVELOPMENT OVER THE HIGHER MOUNTAIN TERRAIN. IN ADDITION TO THE USUAL THREATS ASSOCIATED WITH STRONG THUNDERSTORMS... THEIR LIMITED MOVEMENT MAY ALSO CAUSE WATER TO FLOW IN SOME OF OUR NORMALLY DRY STREAMS...WASHES AND DIPS. OFTEN THIS WATER WILL SURPRISE YOU AND COME FROM A LONG WAY OFF. SO...BE ALERT AND AWARE THIS LATE AFTERNOON AND EVENING IN EASTERN PIMA...SANTA CRUZ AND COCHISE COUNTIES FOR UNEXPECTED OR THREATENING CONDITIONS FROM THESE ACTIVE THUNDERSTORMS. THE THUNDERSTORMS IN GENERAL SHOULD DECREASE AND DIMINISH AFTER SUNSET. FURTHER STATEMENTS OR BULLETINS WILL BE ISSUED AS NECESSARY. END...SHOGREN
Special weather statement, Jul 8, 3:45 PM MST, 3 hours 40 minutes before
AZC003-019-023-090345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 344 PM MST THU JUL 8 1993 AT 330 PM MST...RADAR...LIGHTNING DETECTORS...AND SATELLITE PICTURES INDICATED SCATTERED THUNDERSTORMS WERE OCCURRING IN EASTERN PIMA... SANTA CRUZ...AND COCHISE COUNTIES OF SOUTHEAST ARIZONA. SOME OF THESE STORMS WERE OCCASIONALLY BECOMING QUITE STRONG...DROPPING LOCALLY HEAVY RAIN...CAUSING SOME GUSTY WIND...AND PRODUCING CONSIDERABLE LIGHTNING. SMALL HAIL MAY ALSO OCCUR FROM A FEW OF THESE STORMS THIS THURSDAY AFTERNOON AND EVENING. AS OF 330 PM...THE THUNDERSTORMS WERE SHOWING VERY LITTLE MOVEMENT... WITH MOST OF THE DEVELOPMENT OVER THE HIGHER MOUNTAIN TERRAIN. IN ADDITION TO THE USUAL THREATS ASSOCIATED WITH STRONG THUNDERSTORMS... THEIR LIMITED MOVEMENT MAY ALSO CAUSE WATER TO FLOW IN SOME OF OUR NORMALLY DRY STREAMS...WASHES AND DIPS. OFTEN THIS WATER WILL SURPRISE YOU AND COME FROM A LONG WAY OFF. SO...BE ALERT AND AWARE THIS LATE AFTERNOON AND EVENING IN EASTERN PIMA...SANTA CRUZ AND COCHISE COUNTIES FOR UNEXPECTED OR THREATENING CONDITIONS FROM THESE ACTIVE THUNDERSTORMS. THE THUNDERSTORMS IN GENERAL SHOULD DECREASE AND DIMINISH AFTER SUNSET. FURTHER STATEMENTS OR BULLETINS WILL BE ISSUED AS NECESSARY. END...SHOGREN
Nearby
Flash Flood Warnings in Arizona, 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.