Alert archive / Arizona / Flash Flood Warnings in 1990
Flash Flood Warning 17, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Sep 14, 1990, 5:55 PM MST for Pima County, Santa Cruz County, Arizona. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Sep 14, 1990, 5:55 PM MST (00:55 UTC)
- Expired
- Sep 14, 1990, 7:00 PM MST
- In force
- 65 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
Counties Pima County, AZ, Santa Cruz County, AZ
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 0.9 hours before the alert went out and 56 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
- 1368 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1990 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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
Special weather statement, Sep 14, 12:43 PM MST, 5 hours 12 minutes before
AZZ010-142130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1240 PM MST FRI SEP 14 1990 TUCSON WEATHER RADAR INDICATES SEVERAL THUNDERSTORMS ALONG THE NORTHERN BORDER OF MEXICO JUST EAST OF NOGALAS TO JUST NORTH OF DOUGLAS. THESE STORMS ARE MOVING SOUTHWEST AT ABOUT 20 MPH AND ARE LIKELY EFFECTING THE DOUGLAS AREA AT THIS TIME. OTHER COMMUNITIES TO THE WEST AND SOUTHWEST OF DOUGLAS INCLUDING BISBEE AND WARREN COULD BE EFFECTED OVER THE NEXT COUPLE HOURS. AS THE AFTERNOON PROGRESSES NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS THE SOUTHEASTERN COUNTIES IN ARIZONA INCLUDING COCHISE... SANTA CRUZ AND PIMA. SOME OF THE STORMS COULD BE QUITE STRONG AND PERSONS IN THESE AREAS :SHOULD STAY ABREAST OF RAPIDLY CHANGING WEATHER CONDITIONS. NORDQUIST
Special weather statement, Sep 14, 12:49 PM MST, 5 hours 6 minutes before
AZZ010-142130- SPECIAL WEATHER STATEMENT...CORRECTION SPELLING... NATIONAL WEATHER SERVICE TUCSON AZ 1240 PM MST FRI SEP 14 1990 TUCSON WEATHER RADAR INDICATES SEVERAL THUNDERSTORMS ALONG THE NORTHERN BORDER OF MEXICO JUST EAST OF NOGALES TO JUST NORTH OF DOUGLAS. THESE STORMS ARE MOVING SOUTHWEST AT ABOUT 20 MPH AND ARE LIKELY EFFECTING THE DOUGLAS AREA AT THIS TIME. OTHER COMMUNITIES TO THE WEST AND SOUTHWEST OF DOUGLAS INCLUDING BISBEE AND WARREN COULD BE EFFECTED OVER THE NEXT COUPLE HOURS. AS THE AFTERNOON PROGRESSES NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS THE SOUTHEASTERN COUNTIES IN ARIZONA INCLUDING COCHISE... SANTA CRUZ AND PIMA. SOME OF THE STORMS COULD BE QUITE STRONG= AND PERSONS IN THESE AREAS SHOULD STAY ABREAST OF RAPIDLY CHANGING WEATHER CONDITIONS. NORDQUIST
Special weather statement, Sep 14, 3:05 PM MST, 2 hours 50 minutes before
AZZ010-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 250 PM MST FRI SEP 14 1990 TUCSON WEATHER RADAR INDICATES SEVERAL THUNDERSTORMS IN CENTRAL AND WESTERN COCHISE COUNTY AND ALONG THE MEXICAN BORDER FROM NOGALES TO BISBEE. A STRONG THUNDERSTORM IS LOCATED 20 MILES NORTHESAST OF TUCSON. THIS STORM IS MOVING SOUTHWEST AT ABOUT 15 MPH BUT HAS WEAKENED SOMEWHAT DURING THE LAST 15 MINUTES. SOME STORMS COULD MOVE IN THE TUCSON METROPOLITAN DURING THE NEXT FEW HOURS. ALL PEOPLE OUT AND ABOUT INCLUDING LATE AFTERNOON RUSH HOUR TRAFFIC ARE URGED TO WATCH FOR ANY APPROACHING STORMS AND USE EXTREME CAUTION. MAZUR
Special weather statement, Sep 14, 5:50 PM MST, 5 minutes before
AZZ010-150145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 545 PM MST FRI SEP 14 1990 AT 545 WEATHER RADAR INDICATES SEVERAL THUNDERSTORMS IN EXTREME EASTERN PIMA COUNTY AND THE WESTERN AREA OF SANTA CRUZ COUNTY. MODERATE TO HEAVY RAIN IS OCCURING IN THE AREA FROM TUMACACORI TO NOGALES AND WESTWARD. HEAVY RAIN HAS BEEN REPORTED IN NOGALES DURING THE LAST HOUR. ANOTHER STRONG THUNDERSTORM IS LOCATED ABOUT 20 MILES NORTHEAST OF6 TUCSON AND IS EXPECTED TO MOVE INTO THE TUCSON METROPOLITAN THRU THE REDDINGTON PASS DURING THE NEXT FEW HOURS. ALL MOTORIST AND OTHER INTERESTS ARE URGED TO WATCH FOR ANY APPROACHING STORMS AND USE EXTREME CAUTION. MAZUR
Special weather statement, Sep 14, 5:54 PM MST, 1 minute before
AZZ010-150145- SPECIAL WEATHER STATEMENT - CORRECTION NATIONAL WEATHER SERVICE TUCSON AZ 545 PM MST FRI SEP 14 1990 AT 545 WEATHER RADAR INDICATES SEVERAL THUNDERSTORMS IN EXTREME EASTERN PIMA COUNTY AND THE WESTERN AREA OF SANTA CRUZ COUNTY. MODERATE TO HEAVY RAIN IS OCCURING IN THE AREA FROM TUMACACORI TO NOGALES AND WESTWARD. HEAVY RAIN HAS BEEN REPORTED IN NOGALES DURING THE LAST HOUR. ANOTHER STRONG THUNDERSTORM IS LOCATED ABOUT 20 MILES 8NORTHEAST OF TUCSON AND IS EXPECTED TO MOVE INTO THE TUCSON METROPOLITAN AREA THRU THE REDDINGTON PASS DURING THE NEXT FEW HOURS. ALL MOTORIST AND OTHER INTERESTS ARE URGED TO WATCH FOR ANY APPROACHING STORMS AND USE EXTREME CAUTION. MAZUR
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 5:55 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 65 min |
| Sep 14, 6:31 PM MST | Flash Flood Warning | TWC | Pima | 59 min |
| Sep 14, 6:31 PM MST | Severe Thunderstorm Warning | TWC | Pima | 59 min |
Nearby
Flash Flood Warnings in Arizona, 1990Every flash flood warning in 1990
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.