Alert archive / Arizona / Flash Flood Warnings in 2014
Flash Flood Warning 72, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Sep 17, 2014, 9:02 PM MST for Santa Cruz County, Arizona. It was in force for 3 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 17, 2014, 9:02 PM MST (04:02 UTC)
- Expired
- Sep 18, 2014, 12:00 AM MST
- In force
- 3 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 62 km from the middle of the area, began a volume at 04:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 17, 9:12 PM MST | FLASH FLOOD | Nogales, AZ | WEB REPORT OF NOGALES PD SHUTTING DOWN WESTERN AVE FROM WASH OVERFLOWING |
| Sep 17, 10:02 PM MST | FLASH FLOOD | Nogales, AZ | FAMILIES EVACUATED NEAR WESTERN AVENUE IN NOGALES |
| Sep 17, 11:10 PM MST | FLASH FLOOD | Nogales, AZ | NOGALES WASH OUT OF ITS BANKS IN SEVERAL LOCATIONS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 00:00Z, 4.0 hours before the alert went out and 85 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
- 85 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1316 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -58 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
632 WGUS55 KTWC 180402 FFWTWC AZC023-180700- /O.NEW.KTWC.FF.W.0072.140918T0402Z-140918T0700Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 902 PM MST WED SEP 17 2014 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL SANTA CRUZ COUNTY IN SOUTHEAST ARIZONA... THIS INCLUDES THE CITY OF NOGALES... * UNTIL MIDNIGHT MST * AT 900 PM MST...NATIONAL WEATHER SERVICE RADAR CONTINUES TO INDICATE HEAVY RAINFALL IN THE NOGALES AREA. OF PARTICULAR CONCERN IS THE NOGALES WASH COMING OUT OF ITS BANKS IN THE CITY OF NOGALES. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND 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. && LAT...LON 3147 11100 3145 11091 3133 11090 3133 11098 $$ ZELL
2 follow-up statements
832 WGUS75 KTWC 180602 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1102 PM MST WED SEP 17 2014 AZC023-180700- /O.CON.KTWC.FF.W.0072.000000T0000Z-140918T0700Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SANTA CRUZ AZ- 1102 PM MST WED SEP 17 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FOR SOUTH CENTRAL SANTA CRUZ COUNTY... AT 1055 PM MST...NATIONAL WEATHER SERVICE CONTINUED TO INDICATE LIGHT RAINFALL ACROSS SOUTH CENTRAL SANTA CRUZ COUNTY. ALTHOUGH ONLY LIGHT RAINFALL WAS CURRENTLY OCCURRING...HEAVY FLOWS WILL CONTINUE ON WASHES IN SOUTH CENTRAL SANTA CRUZ COUNTY AND THE NOGALES WASH IN THE CITY OF NOGALES DUE TO THE HEAVY RAINFALL EARLIER IN THIS AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3147 11100 3145 11091 3133 11090 3133 11098 $$ ZELL
892 WGUS75 KTWC 180705 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1205 AM MST THU SEP 18 2014 AZC023-180711- /O.EXP.KTWC.FF.W.0072.000000T0000Z-140918T0700Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SANTA CRUZ AZ- 1205 AM MST THU SEP 18 2014 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTH CENTRAL SANTA CRUZ COUNTY... AT 1200 AM MST...NATIONAL WEATHER SERVICE RADAR INDICATES THE HEAVY RAINFALL HAS COME TO AN END...AND THE NOGALES WASH HAS FALLEN BELOW BANKFULL. THEREFORE...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL SANTA CRUZ COUNTY HAS EXPIRED. HOWEVER...AN URBAN AND SMALL STREAM FLOOD ADVISORY FOR SOUTH CENTRAL SANTA CRUZ COUNTY INCLUDING THE CITY OF NOGALES HAS BEEN ISSUED FOR THE SAME AREA IN REPLACE OF A WARNING...WITH THE URBAN AND SMALL STREAM FLOOD ADVISORY IN EFFECT THROUGH 3 AM MST. LAT...LON 3147 11100 3145 11091 3133 11090 3133 11098 $$ ZELL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 5:04 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 3 hr |
| Sep 17, 9:40 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 3 hr |
| Sep 17, 10:19 PM MST | Areal Flood Warning | TWC | Cochise | 18 hr |
| Sep 17, 11:59 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 3 hr |
| Sep 18, 1:28 AM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Sep 18, 1:34 AM MST | Areal Flood Warning | TWC | Santa Cruz | 15 hr |
| Sep 18, 2:25 AM MST | Areal Flood Warning | TWC | Cochise | 6 hr |
| Sep 18, 8:15 AM MST | Areal Flood Advisory | TWC | Cochise | 6 hr |
| Sep 18, 2:06 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 12 hr |
| Sep 18, 4:34 PM MST | Areal Flood Advisory | TWC | Cochise | 12 hr |
| Sep 18, 4:49 PM MST | Areal Flood Warning | TWC | Pima | 12 hr |
Nearby
Flash Flood Warnings in Arizona, 2014Every flash flood warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.