Alert archive / Arizona / Flash Flood Warnings in 1993
Flash Flood Warning 27, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 31, 1993, 3:19 PM MST for Pima County, Arizona. It was in force for 78 min.
The area
The counties it named.
The facts
- Issued
- Aug 31, 1993, 3:19 PM MST (22:19 UTC)
- Expired
- Aug 31, 1993, 4:37 PM MST
- In force
- 78 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 10.3 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
- 551 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 15 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 312221 FFWTUS AZC019-010015- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 319 PM MST TUE AUG 31 1993 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 515 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...SOUTHWESTERN PIMA COUNTY AT 320 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO ARIZONA FROM NORTHERN MEXICO NEAR LUKEVILLE. VERY HEAVY RAIN...STRONG POSSIBLY DAMAGING WIND...AND LOCAL FLOODING IS EXPECTED NEAR THE VILLAGE OF LUKEVELLE AND THE ORGAN PIPE CACTUS NATIONAL MUNUMENT. THE THUNDERSTORM IS MOVING NORTH-NORTHWEST AND MAY EVENTUALLY AFFECT THE TOWN OF AJO AS WELL. 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 IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. NWS TUS/CRIMMINS
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, Aug 31, 9:22 AM MST, 5 hours 57 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUSCON AZ
STATE...ARIZONA N0... 14 MONTH AND YEAR... AUGUST 1993
...............................................................................
| NO OF |ESTIMATED|
| PERSONS | DAMAGE |
.........................................| | | | |................
PLACE |DATE| TIME |LNGTH |WIDTH |DEAD|INJRD|PPTY|CRPS| CHARTR OF STRM
...............................................................................
PIMA CO. | 27 |445-715 MST| - | - | 0 | 0 | 0 | 0 | FLASH FLOODING
AZC019
(FFW 1645-1915 MST...NORTHEAST PIMA COUNTY)
JUST PRIOR TO AND DURING THE WARNING PERIOD...SEVERAL ALERT
GAGES IN THE TANQUE VERDE AND CANADA DEL ORO WASHES ALARMED
INDICATING MORE THAN .30 IN 30 MINUTES. FROM 1528 TO 1728
TWO GAGES IN THE TANQUE VERDE EXCEEDED ONE INCH AND BY
830 PM ALAMO TANK HAD 2.28 INCHES. RANCHO SOLANO IN THE
CANADA DEL ORO RECEIVED 1.18 DURING THE WARNING PERIO
1853 MST...REPORT TANQUE VERDE WASH OVER BANKS FROM TUCSON
SHERIFF OFFICE (NOT SURE WHERE BUT GAGES INDICATE IT SHOULD
HAVE BEEN DIRECTLY BELOW THE ALAMO TANK GAGE).
1924 MST...THIS REPORT WAS RECEIVED LATE FROM PIMA COUNTY
FLOOD CONTROL...BUT BELEIVED TO BE WITHIN THE LAST 30 MINUTES
...3-4 FOOT FLOW AT WENTWORTH ROAD (GUEST RANCH)...CAME DOWN
AS A WALL OF WATER...RUNNING FAST AS SEEN AT TANQUE VERDE FALLS
BY SHERIFF`S DEPUTY.
2000 MST...LATE REPORT FROM SHERIFF`S OFFICE STATED ROADS TO
REDINGTON PASS HAD BEEN CLOSED DUE TO FLOODING.
NO INJURIES OR SERIOUS DAMAGE REPORTED...BUT LOTS OF LOCAL
FLOODING DID OCCUR.
..............................................................................
COCHISE CO.| | | | | | | | |
AZC003
NONE
...............................................................................
SANTA CRUZ | | | | | | | | |
CO. AZC023
NONE
END...SHOGREN.Local storm report, Aug 31, 9:22 AM MST, 5 hours 57 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUSCON AZ
STATE...ARIZONA N0... 14 MONTH AND YEAR... AUGUST 1993
...............................................................................
| NO OF |ESTIMATED|
| PERSONS | DAMAGE |
.........................................| | | | |................
PLACE |DATE| TIME |LNGTH |WIDTH |DEAD|INJRD|PPTY|CRPS| CHARTR OF STRM
...............................................................................
PIMA CO. | 27 |445-715 MST| - | - | 0 | 0 | 0 | 0 | FLASH FLOODING
AZC019
(FFW 1645-1915 MST...NORTHEAST PIMA COUNTY)
JUST PRIOR TO AND DURING THE WARNING PERIOD...SEVERAL ALERT
GAGES IN THE TANQUE VERDE AND CANADA DEL ORO WASHES ALARMED
INDICATING MORE THAN .30 IN 30 MINUTES. FROM 1528 TO 1728
TWO GAGES IN THE TANQUE VERDE EXCEEDED ONE INCH AND BY
830 PM ALAMO TANK HAD 2.28 INCHES. RANCHO SOLANO IN THE
CANADA DEL ORO RECEIVED 1.18 DURING THE WARNING PERIO
1853 MST...REPORT TANQUE VERDE WASH OVER BANKS FROM TUCSON
SHERIFF OFFICE (NOT SURE WHERE BUT GAGES INDICATE IT SHOULD
HAVE BEEN DIRECTLY BELOW THE ALAMO TANK GAGE).
1924 MST...THIS REPORT WAS RECEIVED LATE FROM PIMA COUNTY
FLOOD CONTROL...BUT BELEIVED TO BE WITHIN THE LAST 30 MINUTES
...3-4 FOOT FLOW AT WENTWORTH ROAD (GUEST RANCH)...CAME DOWN
AS A WALL OF WATER...RUNNING FAST AS SEEN AT TANQUE VERDE FALLS
BY SHERIFF`S DEPUTY.
2000 MST...LATE REPORT FROM SHERIFF`S OFFICE STATED ROADS TO
REDINGTON PASS HAD BEEN CLOSED DUE TO FLOODING.
NO INJURIES OR SERIOUS DAMAGE REPORTED...BUT LOTS OF LOCAL
FLOODING DID OCCUR.
..............................................................................
COCHISE CO.| | | | | | | | |
AZC003
NONE
...............................................................................
SANTA CRUZ | | | | | | | | |
CO. AZC023
NONE
END...SHOGREN.Local storm report, Aug 31, 10:25 AM MST, 4 hours 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUSCON AZ
STATE...ARIZONA N0... 15 MONTH AND YEAR... AUGUST 1993
...............................................................................
| NO OF |ESTIMATED|
| PERSONS | DAMAGE |
.........................................| | | | |................
PLACE |DATE| TIME |LNGTH |WIDTH |DEAD|INJRD|PPTY|CRPS| CHARTR OF STRM
...............................................................................
PIMA CO. | 28 |1307-1715 MST|-| - | 0 | 0 | UNK| UNK| FLASH FLOODING
AZC019
(FFA 0412-2100 MST)
(FFW 1507-1715 MST...EASTERN PIMA COUNTY)
1509 MST...ALAMO TANK ALERT GAGE (TANQUE VERDE WASH) INDICCATED
.90 INCH IN 1 HOUR 5 MINUTES.
1524 MST...GREEN VALLEY SPOTTER NET...1/2 INCH IN 20 MINUTES...
OCCASIONAL LIGHTNING...WINDS LIGHT.
1532 MST...SAME SPOTTER... .70 IN 1/2 HOUR...FREQUENT LIGHTNI
1544 MST...GREEN VALLEY SPOTTER NET... 1.0 INCHES IN PAST
45 MINUTES.
1615 MST...SAME SPOTTER...2.78 INCHES SINCE 300 PM MST...
POWER LOSS IN WALMART AREA.
1615 MST...DPS PILOT REPORTED A WALL OF WATER IN THE SANTA
CRUZ RIVER NORTH OF GREEN VALLEY MOVING NORTH.
1708 MST...SPOTTER # 88 GREEN VALLEY... 2.5 INCHES FROM
3 PM TO 5 PM. AT TOTAL OF 2.70 INCHES BY 1728.
1730 MST...3.75 INCH TOTAL FROM GREEN VALLEY SPOTTER NET...
(IN GREEN VALLEY)...SIGNIFICANT STREET FLOODING FOR SOME TIME
ESPECIALLY ON ESPIRANZA ST. ...NO SIG DAMAGE OR INJURIES.
...............................................................................
COCHISE CO.| 28 |1215-1220 MST|-| - | 0 | 0 |UNK | UNK| FLASH FLOODING
AZC003
(FFA 0412-2100 MST...)
(FFW 1233-1430 MST...SOUTHERN COCHISE CO.)
1231...REPORT OF WATERS RISING TO DOOR HANDLES OF SEVERAL CARS
IN UNDISCLOSED STREAM IN THE CHIRICAHUA MOUNTAINS.
1253...RANGER AT CHIRICAHUA NAT`L MONUMENT REPORTED FLASH FLOOD
CAME DOWN LOST AND SURPRISE CANYONS INTO VISITORS QUARTERS PARKING LOST BETWEEN 1215-1220...WITH WATER TO TOPS OF TREES AND DOOR
HAND<LES OF CARS. NO INJURIES. NO OTHER REPORTS. ...SHOGREN.Local storm report, Aug 31, 10:25 AM MST, 4 hours 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUSCON AZ
STATE...ARIZONA N0... 15 MONTH AND YEAR... AUGUST 1993
...............................................................................
| NO OF |ESTIMATED|
| PERSONS | DAMAGE |
.........................................| | | | |................
PLACE |DATE| TIME |LNGTH |WIDTH |DEAD|INJRD|PPTY|CRPS| CHARTR OF STRM
...............................................................................
PIMA CO. | 28 |1307-1715 MST|-| - | 0 | 0 | UNK| UNK| FLASH FLOODING
AZC019
(FFA 0412-2100 MST)
(FFW 1507-1715 MST...EASTERN PIMA COUNTY)
1509 MST...ALAMO TANK ALERT GAGE (TANQUE VERDE WASH) INDICCATED
.90 INCH IN 1 HOUR 5 MINUTES.
1524 MST...GREEN VALLEY SPOTTER NET...1/2 INCH IN 20 MINUTES...
OCCASIONAL LIGHTNING...WINDS LIGHT.
1532 MST...SAME SPOTTER... .70 IN 1/2 HOUR...FREQUENT LIGHTNI
1544 MST...GREEN VALLEY SPOTTER NET... 1.0 INCHES IN PAST
45 MINUTES.
1615 MST...SAME SPOTTER...2.78 INCHES SINCE 300 PM MST...
POWER LOSS IN WALMART AREA.
1615 MST...DPS PILOT REPORTED A WALL OF WATER IN THE SANTA
CRUZ RIVER NORTH OF GREEN VALLEY MOVING NORTH.
1708 MST...SPOTTER # 88 GREEN VALLEY... 2.5 INCHES FROM
3 PM TO 5 PM. AT TOTAL OF 2.70 INCHES BY 1728.
1730 MST...3.75 INCH TOTAL FROM GREEN VALLEY SPOTTER NET...
(IN GREEN VALLEY)...SIGNIFICANT STREET FLOODING FOR SOME TIME
ESPECIALLY ON ESPIRANZA ST. ...NO SIG DAMAGE OR INJURIES.
...............................................................................
COCHISE CO.| 28 |1215-1220 MST|-| - | 0 | 0 |UNK | UNK| FLASH FLOODING
AZC003
(FFA 0412-2100 MST...)
(FFW 1233-1430 MST...SOUTHERN COCHISE CO.)
1231...REPORT OF WATERS RISING TO DOOR HANDLES OF SEVERAL CARS
IN UNDISCLOSED STREAM IN THE CHIRICAHUA MOUNTAINS.
1253...RANGER AT CHIRICAHUA NAT`L MONUMENT REPORTED FLASH FLOOD
CAME DOWN LOST AND SURPRISE CANYONS INTO VISITORS QUARTERS PARKING LOST BETWEEN 1215-1220...WITH WATER TO TOPS OF TREES AND DOOR
HANDLES OF CARS. NO INJURIES. NO OTHER REPORTS. ...SHOGREN.Local storm report, Aug 31, 10:32 AM MST, 4 hours 47 minutes before
LOCAL STORM REPORT................ CORRECTION
NATIONAL WEATHER SERVICE TUSCON AZ
STATE...ARIZONA N0... 15 MONTH AND YEAR... AUGUST 1993
...............................................................................
| NO OF |ESTIMATED|
| PERSONS | DAMAGE |
.........................................| | | | |................
PLACE |DATE| TIME |LNGTH |WIDTH |DEAD|INJRD|PPTY|CRPS| CHARTR OF STRM
...............................................................................
PIMA CO. | 28 |1307-1715 MST|-| - | 0 | 0 | UNK| UNK| FLASH FLOODING
AZC019
(FFA 0412-2100 MST)
(FFW 1507-1715 MST...EASTERN PIMA COUNTY)
1509 MST...ALAMO TANK ALERT GAGE (TANQUE VERDE WASH) INDICCATED
.90 INCH IN 1 HOUR 5 MINUTES.
1524 MST...GREEN VALLEY SPOTTER NET...1/2 INCH IN 20 MINUTES...
OCCASIONAL LIGHTNING...WINDS LIGHT.
1532 MST...SAME SPOTTER... .70 IN 1/2 HOUR...FREQUENT LIGHTNING
1544 MST...GREEN VALLEY SPOTTER NET... 1.0 INCHES IN PAST
45 MINUTES.
1615 MST...SAME SPOTTER...2.78 INCHES SINCE 300 PM MST...
POWER LOSS IN WALMART AREA.
1615 MST...DPS PILOT REPORTED A WALL OF WATER IN THE SANTA
CRUZ RIVER NORTH OF GREEN VALLEY MOVING NORTH.
1708 MST...SPOTTER # 88 GREEN VALLEY... 2.5 INCHES FROM
3 PM TO 5 PM. AT TOTAL OF 2.70 INCHES BY 1728.
1730 MST...3.75 INCH TOTAL FROM GREEN VALLEY SPOTTER NET...
(IN GREEN VALLEY)...SIGNIFICANT STREET FLOODING FOR SOME TIME
ESPECIALLY ON ESPIRANZA ST. ...NO SIG DAMAGE OR INJURIES.
...............................................................................
COCHISE CO.| 28 |1215-1220 MST|-| - | 0 | 0 |UNK | UNK| FLASH FLOODING
AZC003
(FFA 0412-2100 MST...)
(FFW 1233-1430 MST...SOUTHERN COCHISE CO.)
1231...REPORT OF WATERS RISING TO DOOR HANDLES OF SEVERAL CARS
IN UNDISCLOSED STREAM IN THE CHIRICAHUA MOUNTAINS.
1253...RANGER AT CHIRICAHUA NAT`L MONUMENT REPORTED FLASH FLOOD
CAME DOWN LOST AND SURPRISE CANYONS INTO VISITORS QUARTERS PARKING LOTS BETWEEN 1215-1220...WITH WATER TO TOPS OF TREESJ AND DOOR
HANDLES OF CARS. NO INJURIES. NO OTHER REPORTS. ...SHOGREN.Local storm report, Aug 31, 10:32 AM MST, 4 hours 47 minutes before
LOCAL STORM REPORT................ CORRECTION
NATIONAL WEATHER SERVICE TUSCON AZ
STATE...ARIZONA N0... 15 MONTH AND YEAR... AUGUST 1993
...............................................................................
| NO OF |ESTIMATED|
| PERSONS | DAMAGE |
.........................................| | | | |................
PLACE |DATE| TIME |LNGTH |WIDTH |DEAD|INJRD|PPTY|CRPS| CHARTR OF STRM
...............................................................................
PIMA CO. | 28 |1307-1715 MST|-| - | 0 | 0 | UNK| UNK| FLASH FLOODING
AZC019
(FFA 0412-2100 MST)
(FFW 1507-1715 MST...EASTERN PIMA COUNTY)
1509 MST...ALAMO TANK ALERT GAGE (TANQUE VERDE WASH) INDICCATED
.90 INCH IN 1 HOUR 5 MINUTES.
1524 MST...GREEN VALLEY SPOTTER NET...1/2 INCH IN 20 MINUTES...
OCCASIONAL LIGHTNING...WINDS LIGHT.
1532 MST...SAME SPOTTER... .70 IN 1/2 HOUR...FREQUENT LIGHTNING
1544 MST...GREEN VALLEY SPOTTER NET... 1.0 INCHES IN PAST
45 MINUTES.
1615 MST...SAME SPOTTER...2.78 INCHES SINCE 300 PM MST...
POWER LOSS IN WALMART AREA.
1615 MST...DPS PILOT REPORTED A WALL OF WATER IN THE SANTA
CRUZ RIVER NORTH OF GREEN VALLEY MOVING NORTH.
1708 MST...SPOTTER # 88 GREEN VALLEY... 2.5 INCHES FROM
3 PM TO 5 PM. AT TOTAL OF 2.70 INCHES BY 1728.
1730 MST...3.75 INCH TOTAL FROM GREEN VALLEY SPOTTER NET...
(IN GREEN VALLEY)...SIGNIFICANT STREET FLOODING FOR SOME TIME
ESPECIALLY ON ESPIRANZA ST. ...NO SIG DAMAGE OR INJURIES.
...............................................................................
COCHISE CO.| 28 |1215-1220 MST|-| - | 0 | 0 |UNK | UNK| FLASH FLOODING
AZC003
(FFA 0412-2100 MST...)
(FFW 1233-1430 MST...SOUTHERN COCHISE CO.)
1231...REPORT OF WATERS RISING TO DOOR HANDLES OF SEVERAL CARS
IN UNDISCLOSED STREAM IN THE CHIRICAHUA MOUNTAINS.
1253...RANGER AT CHIRICAHUA NAT`L MONUMENT REPORTED FLASH FLOOD
CAME DOWN LOST AND SURPRISE CANYONS INTO VISITORS QUARTERS PARKING LOTS BETWEEN 1215-1220...WITH WATER TO TOPS OF TREES AND DOOR
HANDLES OF CARS. NO INJURIES. NO OTHER REPORTS. ...SHOGREN.The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 3:19 PM MST | Severe Thunderstorm Warning | TWC | Pima | 78 min |
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.