Real-Time Guidance | INVEST 91 (AL91)

Real-time Guidance for INVEST 91 (AL91)

This page provides plots and information for INVEST 91 (AL91). The left side of this page provides TCGP-generated plots of numerical guidance and other TCGP-curated data. The right side of this page provides external links to additional information and products. Most of the model guidance displayed in the plots come from modeling centers outside of NCAR, such as NOAA, other national numerical weather prediction centers, and universities. Click here for information about who contributes to TCGP. Your use of this page is governed by the UCAR Terms of Service and this site's disclaimer. To obtain help for any item on this page, click on the question mark beside that item.

Information as of the most recent model cycle ?

At 1800 UTC, 02 October 2024, INVEST 91 (AL91) was located in the North Atlantic basin at 10.2°N and 29.4°W. The current intensity was -999 kt and the center was moving at -999 kt at a bearing of -999 degrees. The minimum central pressure was -999 mb.

Reconnaissance Aircraft Data ?

No Vortex Data Messages were found for this system.

Track guidance ?

Early cycle track guidance ?
Archive
Late cycle track guidance ?
Archive

Ensemble Prediction Systems (EPS) guidance ?

Late EPS track guidance plotted by model ?
Archive
Extra late EPS track guidance plotted by model ?
Archive

Intensity guidance ?

Early cycle intensity guidance ?
Archive
A plot of late cycle experimental intensity guidance has not yet been generated for this system.

Probabilistic wind exceedance guidance ?

A plot of 34-kt wind exceedance guidance has not yet been generated for FHLO-ECMWF*.
A plot of 50-kt wind exeedance guidance has not yet been generated for FHLO-ECMWF*.
A plot of 64-kt wind exeedance guidance has not yet been generated for FHLO-ECMWF*.
A plot of 83-kt wind exeedance guidance has not yet been generated for FHLO-ECMWF*.
A plot of 96-kt wind exeedance guidance has not yet been generated for FHLO-ECMWF*.
A plot of 34-kt wind exceedance guidance has not yet been generated for FHLO-GEFS*.
A plot of 50-kt wind exeedance guidance has not yet been generated for FHLO-GEFS*.
A plot of 64-kt wind exeedance guidance has not yet been generated for FHLO-GEFS*.
A plot of 83-kt wind exeedance guidance has not yet been generated for FHLO-GEFS*.
A plot of 96-kt wind exeedance guidance has not yet been generated for FHLO-GEFS*.

*The data incorporated herein is generated from the use of the Massachusetts Institute of Technology (MIT)’s Forecasts of Hurricanes Using Large-ensemble Outputs (FHLO) version 1.50, © MIT, used with permission. All Rights Reserved.

ATCF data files ?

aal912024.dat ?
track and intensity forecasts (a-deck)
bal912024.dat ?
history file (b-deck)
fal912024.dat ?
fixes file (f-deck)

Links to Official Warning Information

RSMC Miami - U.S. National Hurricane Center

5-day Forecast with Uncertainty Cone
Surface Wind Field
Wind History
Probability of Tropical Storm-force Winds (34-kt)
Probability of Storm-force Winds (50-kt Winds)
Probability of Hurricane-force Winds (64-kt)
Earliest Resonable Time of Approach of 34-kt Winds (Experimental)
Most Likely Time of Approach of 34-kt Winds (Experimental)

Environmental Diagnostics ?

SHIPS diagnostic message ?
Archive

Links to External Satellite-based Products

CIRA TC Real-time Page for INVEST 91

Enhanced Infrared Imagery Loop (4 km Mercator)
Storm Relative Visible Imagery Loop (1 km Geostationary)
AMSU Microwave 89GHz Imagery (4 km Mercator)
Multiplatform Satellite Surface Wind Analysis (Operational)
Multiplatform Satellite Surface Wind Analysis (Experimental)
Aircraft-based Surface Wind Analysis

UW-CIMSS TC Satellite Products for INVEST 91

Satellite Consensus Intensity Estimates   More info ?
Advanced Dvorak Technique (ADT) ?
ARCHER Center-finding Technique ?
ARCHER Eyewall Replacement Cycle Diagnostic and Prediction ?
Morphed Integrated Microwave Imagery at CIMSS (MIMIC-TC) ?

Observations near INVEST 91

   NDBC Ship and Buoy Obs within 300 km

   Mesonet Observations from NWS WRH Hazard Viewer